eBay Is Here For You with Money Back Guarantee and Easy Return. Get Your Parts Muffler Exhaust Today! Looking For Parts Muffler Exhaust? We Have Almost Everything on eBay Free 2-day Shipping On Millions of Items. No Membership Fee. Shop Now Vehicle Fitment. 2003 Chevrolet Silverado 1500 HD LS 8 Cyl 6.0L. 2003 Chevrolet Silverado 1500 HD LT 8 Cyl 6.0L. Product Details. Recommended Use : Performance Replacement Sound Level : Mild Returns Policy : 90-Day Return Policy. See All Products Details. Kool Vue®. Polished Muffler - Universal. Part Number: KV150108
2003 Chevrolet Silverado 1500 HD Muffler; 2003 Chevrolet Silverado 1500 HD Muffler. Buy 2003 Chevrolet Silverado 1500 HD Muffler from AutoZone. Sort by . 1-1 of 1 Results. 1-1 of 1 Results. Filter & Sort. FILTER RESULTS. This is a test. 10% OFF $75. Use Code: DIYSAVE10 Online Ship. OEM Exhaust Pipe Muffler Hanger Insulator LH or RH Side for Chevy GMC Cadillac. $24.98. 5 left. For Chevy Silverado 1500 HD 01-06 AP Exhaust X503 Xlerator Performance Muffler. $83.18. 9 left. 2.5 inches Offset In Center Out Black 211983 Aluminized Steel Chamber Muffler
Compare 2003 Chevrolet Silverado 1500 HD Mufflers brands. Check prices & reviews on aftermarket & stock parts for your 2003 Silverado 1500 HD Mufflers. Order your parts online or pick them up in-store at your local Advance Auto Parts 2003 CHEVROLET SILVERADO 1500 HD Exhaust. Filter Results 2003 CHEVROLET SILVERADO 1500 HD Individual Parts; Part Groups; Results 1 - 25 of 100 25 Records Per Page Default Sort . PaceSetter Performance 70-2265 - PaceSetter Long Tube Headers. PaceSetter Performance 70-2265 - PaceSetter Long Tube Headers. Headers, Long Tube, 16-Gauge, Steel. For a 2003 Chevrolet Silverado 1500 HD, our most popular Dorman - Help Exhaust products include: Dorman - Help Exhaust Stud Kit - M10-1.5 x 62mm. Exhaust Hangers & Hardware. 4.9. $12.29. Top 2003 Chevrolet Silverado 1500 HD Exhaust Products from Walker. Walker products are another trusted brand when it comes to Exhaust products for your 2003.
Browse all MagnaFlow 2003 Chevrolet Silverado 1500 HD Exhaust Systems online now. Buy the power and sound you demand for your 2003 Chevrolet Silverado 1500 HD Exhaust. Select your Silverado 1500 HD sub-model and engine size to find the best exhaust for your '03 Silverado 1500 HD. Flowmaster 17350 - Flowmaster American Thunder Exhaust Systems. Exhaust, American Thunder, Cat-Back, Steel, Aluminized, Polished Tip, Chevy, GMC, Pickup 1500HD, 6.0L, Kit. Part Number: FLO-17350. ( 7 ) Estimated Ship Date: 8/2/2021 (if ordered today) Free Shipping. Estimated Ship Date: 8/2/2021 (if ordered today Muffler Outlet 1 Inside Diameter (in): 2-1/2 Inch. Muffler Outlet 2 Attachment Method: Weld-On. Muffler Outlet 2 Inside Diameter (in): 2-1/2 Inch. Show More. Show Less. The exhaust muffler is part of your Chevrolet Silverado's exhaust system that quiets the sound from the exhaust. Without it, you may notice that engine sounds seem very loud The exhaust muffler is part of your Chevrolet Silverado's exhaust system that quiets the sound from the exhaust. Without it, you may notice that engine sounds seem very loud. It's generally placed near the back of the exhaust pipe underneath the vehicle in front of the rear axle. With time, road debris and corrosion can damage the exhaust.
Check if this fits your 2003 Chevrolet Silverado 2500 HD. Notes: SS Universal Exhaust Muffler. 133, 143.5, 153 wheelbase. Except Low Emissions Vehicles (LEV). Federal emissions. Use Reducer Bushing Part # [Part # [104-1251]] To Connect with Original Equipment Converter Pipe. Small Diameter Muffler with 2-1/2 Inlet 2003 CHEVROLET SILVERADO 1500 Exhaust Systems. Filter Results 2003 CHEVROLET SILVERADO 1500 Individual Parts; Part Groups; Results 1 - 25 of 77 25 Records Per Page Default Sort . MBRP Performance Exhaust S5014P - MBRP Installer Series Exhaust Systems. MBRP Performance Exhaust S5014P - MBRP Installer Series Exhaust Systems. Exhaust Muffler fits 2001-2004 Chevrolet Silverado 2500 HD Silverado 1500 HD FL (Fits: 2003 Chevrolet Silverado 1500 HD) 5 out of 5 stars. (3) 3 product ratings - Exhaust Muffler fits 2001-2004 Chevrolet Silverado 2500 HD Silverado 1500 HD FL. $285.08. Free shipping. 74 new & refurbished from $208.99. Watch 3 inch 76mm Exhaust Control E-cut Out Dual Valve Electric Y Pipe with Remote Kit (Fits: 2003 Chevrolet Silverado 1500 HD) 4 out of 5 stars. (5) 5 product ratings - 3 inch 76mm Exhaust Control E-cut Out Dual Valve Electric Y Pipe with Remote Kit. $85.94 03-07 Chevy Silverado 6.0L 1500HD Magnaflow 3 CatBack Dual Exhaust System 15828 (Fits: 2003 Chevrolet Silverado 1500 HD) $774.00. Free shipping
0 Reviews. Guaranteed to Fit. $120.99. +$0.00. Core Charge. Add to cart. Vehicle Fitment. 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L 143.5 in. Wheelbase, Federal Emission, Except LEV, Use Reducer Bushing PN  To Connect With O.E. Converter Pipe, With 2 1/2 in. Inlet. 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 8.1L 143.5 in. Nice truck and loud as heck !!!!! : Revved to about 4,000 rpm, didn't want to bother the neighbors too much Find 2003 CHEVROLET SILVERADO 2500 HD Exhaust and get Free Shipping on Orders Over $99 at Summit Racing
Muffler. 30 Day Return Policy. Save Off Dealer Prices. Save Up To 80% Off Dealer Prices! Buy Muffler Here Exhaust Pipe. All models. 6.0L gas. Exc.Calif. Exc.LEV Spec. Incl.Front Exhaust Pipe. 1/2 ton. With silverado, sierra. Crew cab. 153 wheelbase. With tier 2 fed. emis
***The online catalog is provided by a third party and is not always accurate. Please enter your VIN on your order so we can verify fitment in our GM catalog The perfect Exhaust Systems for your 2003 Chevy Silverado 1500 is waiting for you at RealTruck. Take advantage of our extensive image galleries, videos, and staff of truck experts. Shipping is free to the lower 48 United States 2003 Chevrolet Silverado 1500 HD LS 6.0L V8 - Gas Catalog; New Vehicle. XsvFLO Exhaust Kits - Shopline Single Exhaust System 3in AL pipe Flowmaster Super 44 3 For Silverado, Sierra, F-Series,& Ram 4.2 out of 5 stars 30 $194.24 $ 194 . 2
.6 Liter V8 - VIN D, 153.0 Wheelbase, Turbo-Back Exhaust System; 2005 Chevrolet Silverado 2500 HD 6.6 Liter V8 - 153.0 Wheelbase, Exc. LLY Motor, Turbo-Back Exhaust System; 2004 Chevrolet Silverado 2500 HD 6.6 Liter V8 - VIN 1, 153.0 Wheelbase, Turbo-Back Exhaust System; 2003-2001 Chevrolet Silverado 2500 HD 6.6 Liter V8 - 153.0 Wheelbase, Turbo-Back. Muffler. Federal. Crew cab. California. Extended cab. Without heavy duty. Incl.Exhaust Muffler. Silverado, sierra. 6.0l. 6 1/2 box. Silverado, sierra. 6.0l. 5 3/4 box. Check out the benefits of DynoMax Performance Exhaust's line of bolt-on single-in and dual-out systems, particularly the GM Dual Exhaust Conversion on this 2003 Chevy Silverado, in this issue of. Exhaust Manifold Gasket To 01/08/2007. From 01/09/2007. Silverado, sierra. 6.6l. Express, savana. 6.6l diesel. 6.6L turbo diesel, 2nd design. 6.6L turbo diesel, 1st. For the best selection of OEM 2003 Chevrolet Silverado 2500 HD Exhaust spare parts online, look no further. Our inventory is maintained by the experts who know your vehicle best, so you can shop with confidence that you are getting the right parts every time. When it comes time to maintain your Chevy, choose genuine Chevy quality and performance
Nov 08 2012, 8:08am. I just had two Flowmaster Super 44 series (part# 943045) installed yesterday on my 03 Silverado 6.0. Guess I was a bit dissapointed when I started it up. Sounds wayyyyyy too quiet compared to other 5.3 Silverados i've seen on youtube. I had the mufflers dumped right before the rear axle Looking for a Mufflers & Exhaust Components for your Chevrolet Silverado 2500 HD? Choose 1A Auto for high quality parts at great prices! Free shipping for all 2001 - 2003 Chevrolet Silverado 2500 HD parts 1 product rating - MBRP 2.5 Stainless Cat Back Exhaust 2003-2007 Chevrolet GMC 2500 HD 6.0L. C $673.05. Top Rated Seller Top Rated Seller. or Best Offer +C $81.00 shipping estimate. from United States. S p o n 2 G Y s L o M 1 r e 1 2 d X J. MBRP EXHAUST 11-18 CHEVY SILVERADO GMC SIERRA 2500 HD 3500 HD 6.0L ALUMINIZED Exhaust Manifold All models. Express, savana. Right. 6.6L turbo diesel, 2nd design. From 01/09/2007. Silverado, sierra. 6.6L turbo diesel, 1st design. To 01/08/2007
Exhaust Manifold Express, savana. Exc.Natural Gas Conversion. EEC 00 Emissions. Exc.Calif. Exc.LEV Spec. 6.0l. Right. Federal. Ulev spec The exhaust system on your 2001 Chevrolet Silverado 1500HD 1/2 Ton - Pickup also plays a part in emissions control. Exhaust gas recirculation (EGR) helps reduce nitrogen oxide (NOx) while the catalytic converter scrubs harmful pollutants from the exhaust. A clogged or internally damaged catalytic converter can also affect performance Chevrolet Silverado Exhaust; Chevy Silverado Exhaust Systems; Chevy Silverado Exhaust Systems 2.7L I4, 3.0L I6 Duramax, 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.0L V8 Hybrid, 6.2L V8 Select your year to shop Chevy Silverado Exhaust System Magnaflow 15829 - Magnaflow Exhaust System for GM SILVERADO/ Sierra 3500 2500 HD; 2003-2007. Design: 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tip, DUAL SPLIT REAR EXIT (Stainless Cat-back System performance Exhaust) MagnaFlow performance exhaust systems are as rugged and reliable as the vehicle you drive David 2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Throttle body spacer, Spintech exhaust (true dual to 2 in 1 out muffler), 6 ProComp lift (add a leaf and 5 superlift rear block), Bilstein shocks, 35's (Cooper Disoverer AT3) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation
MBRP Cat Back Exhaust, Chevy/GMC (2003-07) 1500/1500HD, 4.8L & 5.3L, EC/CC-SB, Single Side Exit, Aluminized (0) Reviews: Write first review. SKU: S5014AL. Installer Series from MBRP brings you the best of both worlds. Designed and constructed to the exact same specifications as MBRP's Pro Series you can expect the same improvements in torque. Replace the stock exhaust system on your 2002-2004 GM LB7 6.6L Duramax LB7 with the AFE 49-44060-1 Large Bore HD 5 Downpipe-Back Exhaust. Constructed from 5 mandrel-bent 409 stainless steel tubing, the Large Bore HD 5 Downpipe-Back Exhaust is designed for durability and optimum airflow Need to replace your 2003 Chevrolet Silverado 2500 HD Exhaust Manifold? Then shop at 1A Auto for a new, high quality aftermarket Exhaust Manifold replacement for your 2003 Chevrolet Silverado 2500 HD at a great price. 1A Auto has a large selection of Exhaust Manifolds for your 2003 Chevrolet Silverado 2500 HD and ground shipping is always free . Get a free detailed estimate for a repair in your area Chevy Silverado Exhaust Leak Causes If your Silverado has leaking exhaust, it can only be caused by some form of damage to the exhaust system itself. It's always a good idea to take a look at the gaskets and connections in the exhaust system before looking for a failing pipe, manifold, muffler, or catalytic converter
The perfect Exhaust Systems for your 2003 Chevy Silverado 2500 is waiting for you at RealTruck. Take advantage of our extensive image galleries, videos, and staff of truck experts. Shipping is free to the lower 48 United States . The average cost for a Chevrolet Silverado 1500 HD exhaust manifold replacement is between $357 and $478. Labor costs are estimated between $132 and $167 while parts are priced between $225 and $311. Estimate does not include taxes and fees Your 2003 Chevrolet Silverado 2500HD 3/4 Ton - Pickup exhaust system runs from the exhaust manifold (or header) flange connected to the engine, all the way to the exhaust tip at the rear. In between you will usually find a flex pipe, catalytic converter or two, a mid pipe, a resonator, a muffler, and several feet of carefully routed exhaust.
Chevrolet Silverado 2500 HD: 2003 chevy silverado hd 2500 6.6 2003 chevy silverado hd 2500 6.6 duramax shut off by itself and won't restart. it has cam sensor signal crank sensor signal 10400psi fuel pressure when cranking. replaced fuel pressure regulator. chec Chevrolet Silverado 2500 HD Classic LS: I just purchased a I just purchased a 2005 Chevy 2500 HD with a 6 liter gas engine. During a trip while pulling a travel trailer, I started getting a noise coming from the transmission area
31 Answers. Re: 2003 1500hd chevy silverado 6.0 liter. I had a. DTC Number. P0160 DTC Name O2 Sensor Circuit No Activity Detected Bank 2 Sensor DTC Number P0300 DTC Name Random/Multiple Cylinder Misfire Detected. Posted on Feb 17, 2010. Helpful 3. Not Helpful Find the best used 2003 Chevrolet Silverado 2500HD near you. Every used car for sale comes with a free CARFAX Report. We have 136 2003 Chevrolet Silverado 2500HD vehicles for sale that are reported accident free, 30 1-Owner cars, and 139 personal use cars Where is the fuel pressure regulator located on a 2003 Chevy 1500HD 6.0 V8? on the drivers side fuel rail. there is just a clip holding it in. Where are the oxygen sensor on a 2003 Chevy S-10
2003 Chevrolet Silverado 2500hd w/ 8. 1l engine. With 59,000 miles. I noticed a ticking noise coming from the engine compartment. I took into a dealership for some other service and had them check this noise also. It urned out to be a warped right side exhaust manifold 2018 Chevrolet Silverado 2500 HD V8-6.6L Turbo Diesel. Service type. Exhaust Gas Recirculation (EGR) Tube Replacement. Estimate. $252.71. Shop/Dealer Price. $308.31 - $447.16. 2003 Chevrolet Silverado 2500 HD V8-6.0L. Service type Save up to $12,029 on one of 4,044 used 2003 Chevrolet Silverado 2500HDs near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools
Buy exhaust Parts for 2003 Chevrolet Silverado 1500 HDs Free Shipping in Canada over $99. No Customs, No Duties, No Hassle Diesel particulate filter. Exhaust muffler. Muffler and pipe. 2003 Chevrolet Silverado 2500 HD. Genuine Chevrolet Part - 84341175. Ships from Arnie Bauer Cadillac Buick GMC, Matteson I More Items Related to 2003 Chevrolet 1500HD decent shape. Newer exhaust. New power steering pump. I dont need 2 pickups Upgrade the look and sound of your truck's exhaust system with one of our tuned, bolt-on exhaust kits. They deliver great performance sound and look great on your new truck. The entire system is made from 304 stainless steel with increased 3 diameter piping and includes 4.5 high polish 304 stainless tip Chevrolet Silverado / GMC Sierra. All Wheel Bases. 6 or 8 cyl. Fits years 1999-2006-1/2 ton Chevy Full size trucks . Our Kits will convert your single exhaust system to a dual exhaust system with a Performance muffler that will give your truck the look, sound and performance you have been searching for !! Our kits are fully customizable so you control how much you spend
.0? Sign up for FREE! Become a GM-Trucks.com Member Today! In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck. The perfect Exhausts & Mufflers for your 2003 Chevy Silverado 2500 is waiting for you at RealTruck. Take advantage of our extensive image galleries, videos, and staff of truck experts. Shipping is free to the lower 48 United States 2003-2007 GM 2500 HD 6.0. Extended Cab/Short Bed. Dual Split Side Exit. Cat-Back. See more product details. Free Shipping - Estimated to ship directly from the manufacturer on 06/08/21. Items You Need. JEGS 28005 - Anti-Seize & Lube 4 oz. $11.79 Get the best deal for Exhausts & Exhaust Parts for 2003 Chevrolet Silverado 2500 HD from the largest online selection at eBay.com. | Browse our daily deals for even more savings! | Free shipping on many items Buy Flowmaster 17328 at JEGS: Flowmaster American Thunder Cat-Back Exhaust System 2001-2004 GM Silverado/Sierra HD 6.0L/8.1L. Guaranteed lowest price! Save $10 off $299, $25 off $599, $45 off $999, $100 off $1899 Order
GM 6.0 Liter V8 Vortec L96 Engine. The 6.0L V8 Vortec L96 is an engine produced by General Motors for use in its full-size heavy duty (HD) pickup trucks, vans, and SUVs. Displacing 6.0 liters in a. Up to 75% off new Chevrolet Silverado 2500 HD Parts! In stock, ready to ship, and covered by our 30-Day Quality Guarantee. 2003 2002. 2001. Accessories Sensor 2 Chevrolet Silverado 2500 HD EGR Valve & Motor 53 Chevrolet Silverado 2500 HD Exhaust Hanger Bracket 3 Chevrolet Silverado 2500 HD Exhaust Manifold 13 Chevrolet Silverado 2500 HD. Texas Speed & Performance is your one-stop shop for all LS and Gen 5 LT1 & LT4 performance parts and engines! We are among the largest LS and Gen 5 LT1/LT4-specific shops in the country, and we machine and assemble all of our engines, camshafts, and Precision Race Components cylinder heads in house! We also have a complete line of Texas Speed & Performance crankshafts, connecting rods, rocker. 2004 Chevrolet Silverado 1500 V8-5.3L Hybrid: Service type Smoke from engine or exhaust Inspection: Estimate $79.99: Shop/Dealer Price $92.41 - $101.72: 2021 Chevrolet Silverado 1500 V6-4.3L: Service type Smoke from engine or exhaust Inspection: Estimate $79.99: Shop/Dealer Price $92.41 - $101.72: 2003 Chevrolet Silverado 1500 V6-4.3 Exhaust Header System TorqueTube Exhaust Header with hardware for 2003-2008 Chevy/GMC 1500/2500/3500 6.0L, Non-A/I (no air injection) SKU: 48011 Pulls exhaust and slashes backpressur
GMC Sierra Crew Cab 6.2L-Metal Mulisha Exhaust Chevy Silverado 1500-Metal Mulisha Chevy Silverado 1500 Crew Cab-Dual Sport Exhaust Astro 4.3L Dual Sport 02_43L_Chevy_Astro_DS.mp3; 2500 HD with downpipe 6.6L Single 02_2500hd_s_downpipe.mp3; 2500 HD Diesel (fly by) 6.6L Swept Side 4. 2003 Chevrolet Silverado 2500 HD Exhaust Clamps. Save up to 40% on original replacement 2003 Chevrolet Silverado 2500 HD exhaust clamps. Navigate our online catalogue to find exhaust clamps and other parts designed specifically to fit a 2003 Chevrolet Silverado 2500 HD Chevrolet Silverado 2500 3/4 Ton 2wd 2001-2003 Dba 4000 Series Cross Drilled And Slotted - Rear Brake Rotor. 42049XS. DBA 4000 Series Cross Drilled and Slotted Rear Brake Rotor Fits 2001 2002 2003 Chevrolet Silverado 2500 3/4 TON 2WD, exc. HD - w/ A/T - 4.63 rear disc hub hole. MSRP: $269.19 Learn more about the 2003 Chevrolet Silverado 1500. Get 2003 Chevrolet Silverado 1500 values, consumer reviews, safety ratings, and find cars for sale near you
. Get Quality Automotive Parts at PartsAvatar.ca.. Get Quality Automotive Parts at PartsAvatar.ca. ALL VEHICLES. (HD SOLUTIONS) (1) FLOWTECH (1) MR. GASKET (1) Price < $50 (31) $50 to $100 (5) $100 to. The front end of the 1500HD is the same as a 2500HD. The tranny is a l485E and the transfer case has same gears as 2500HD but has the Caddy Auto track option. The springs on 1500HD is the same as 2500HD. and the t bars are set lower from the factory. Exhaust is not the same with the 8.1 option but is the same with the 6.0 Now that computers run almost every aspect of our trucks, there is more opportunity to optimize for power and economy than bolt on parts. Not only do Chevy Silverado performance chips increase horsepower and torque, many modern programmers come with displays you can mount to your dash or windshield that act as performance monitors and diagnostic displays Check out our aftermarket 2003-2006 Chevy Silverado Front Bumpers today! #1 Store For Aftermarket Truck Bumpers. 1.720.895.1744. Contact Account. Toggle navigation. Bumpers By Vehicle. Chevy Avalanche; Chevy Colorado Chevy Silverado 1500/1500 HD/2500 1999-2006 Condition:. On June 2nd, 2018 FLO~PRO Performance Exhaust was a part of one of the biggest honors in the world of Diesel Performance. Wade Moody ran the 8th mile track in 4.119s run at 176mph making him the fastest common rail duramax on the planet
Monster ® Exhaust System 3.5-inch Single Exit, Cerakote Black Tip for 2011 Chevy/GMC 2500 HD 6.0L, CCSB Crew Cab Short Bed. Description: Outflows stock 94% for more power & quicker 0-60. Cut back pressure up to 94 Percent and improve 0-60 mph acceleration times by 1/3 of a second (4.5 Percent quicker) Save money on one of 25 used 2003 Chevrolet Silverado 3500s near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools 2003 Chevrolet Silverado 2500HD Base Reg Cab 133 WB Work Truck Trim Info: Rear Wheel Drive, Reg Cab 8' Fleetside Other Trims. Do you own this car? Estimated Mileage Miles. Enter current mileage for most accurate info about this vehicl Great fit and a awesome sound. No in cab drone just a sweet tone outside. AAG beat everyones price and shipped fast. Will but from AAG again. We offer Chevrolet Silverado Exhaust for the following years & trims: Silverado 1500 HD Exhaust. Silverado 2500 HD Exhaust. Silverado 3500 HD Exhaust. Silverado Crew Cab Exhaust
Find the best used 2003 Chevrolet Silverado 1500 near you. Every used car for sale comes with a free CARFAX Report. We have 166 2003 Chevrolet Silverado 1500 vehicles for sale that are reported accident free, 44 1-Owner cars, and 216 personal use cars 2-1/16 Rail Pressure - 0-30K PSI - FSE - CHEVY / GMC. Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY 2003 - 2007 Dodge 5.9L Cummins compatible Fits factory fuel rail. Designed to match Chevy and GMC OEM gauges Chevrolet Silverado 1500 HD 2003 - Find out the correct alloy wheel fitment, PCD, offset and such specs as bolt pattern, thread size(THD), center bore(CB) for Chevrolet Silverado 1500 HD 2003. Wheel-Size.com The world's largest wheel fitment database. Wheel fitment and tire size guide and knowledge base Last Update.
2003 Chevy Silverado 2500HD - Exhaust. There are no products available in this category. Viewing Categories/Products for 2003 Chevy Silverado 2500HD View All Categories/Products. Select Vehicl 01-07 Chevy/GM 6.6L Duramax Diesel Stock Muffler Delete Pipe Does not fit 08+ LMM Duramax equipped trucks. Quickly and easily straight-pipe your Chevy Duramax to allow your engine to breathe! Simply cut the exhaust as close to your muffler as possible on both sides of the stock muffler, then install the muffler delete pipe in its place Engine And Engine Cooling Problem on the 2003 CHEVROLET SILVERADO 2500 HD. Car problem(s) with the 2003 CHEVROLET SILVERADO 2500 HD.This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline Exhaust manifolds route the air out of the engine through the exhaust pipes. They are subject to extremely high heat temperatures which can cause gaskets and bolts to warp and go bad, creating an exhaust leak. On the Chevy 6.0 vortec engine, the exhaust leak is most commonly caused by the exhaust manifold bolts completely breaking off