Looking for in-stock aftermarket parts to modify or upgrade your Chevrolet Silverado 3500 HD with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Silverado 3500 HD.
Whether you have a 2007 or 2024 Chevrolet Silverado 3500 HD in High Country to WT trim we have you covered. We have 83 catback available to mod your Silverado 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 49-14002The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band-clamps and bayonet style hangers make sure this system installs cleanly and easily. Yo... aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ 2007-2007 Chevrolet Silverado 3500 HD LT / LTZ / WT $548.63 SALE |
 IN STOCK - DROPSHIPS 49-44043-BEngineered to perform in the most extreme environments. Constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque and lower EGTS. All systems use factory mounting locations providing stability and hassle free installation. High quality OE... aFe MachForce XP Exhaust 4inch DP-Back All SS 2011-14 GM Diesel Trucks V8-6.6L LML Black Tips 2011-2016 Chevrolet Silverado 3500 HD LT / LTZ / WT 2015-2016 Chevrolet Silverado 3500 HD High Country $803.55 SALE |
 IN STOCK 49-44123-BThis cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a deep sound. Finishing off this exhaust system is a 5" diameter black 409 stainless steel intercoole... aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip 2020-2023 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $603.90 SALE |
 IN STOCK 49-44125-PThis DPF-back exhaust system is constructed of 5" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 6" diameter polished 304 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a u... aFe Large Bore-HD 5 IN 409 SS DPF-Back Exhaust System w/Polished Tip 20-21 GM Truck V8-6.6L 2020-2024 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $453.75 SALE |
 IN STOCK 48947-BQuicker response, more power, low temp & more MPG Cuts back pressure, 4-inch constant-diameter DPF-back system, reduces tailpipe temps as much or more than stock and way more than others. Includes Cerakote Black Tip. US Patent #5,581,111 S1 Emissions Compliant: E.O. Not Required Fits all Cab and Bed... Banks Power 17+ GM Duramax L5P 2500/3500 Monster Exhaust System - SS Single Exhaust w/ Black Tip 2017-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $519.00 |
 IN STOCK 48996-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 17-19 Chevy Duramax L5P 2500/3500 Monster Exhaust System w/ Black Tip 2017-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $569.00 |
 IN STOCK 48997-BBanks Power introduces the new 5-inch Monster Exhaust designed specifically for the 2020-2021 GM 6.6L Duramax L5P 2500/3500 HD pickup trucks. The DPF-back exhaust system features constant-diameter 5-inch mandrel-bent Aluminized Steel tubing and a massive patented tip which virtually eliminates backp... Banks Power 20-21 Chevy/GMC 2500/3500 6.6L Monster Exhaust System - Black Tip 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $646.95 |
 IN STOCK - LOW 47786Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 11-14 Chev 6.6L LML ECLB/CCSB/CCLB Monster Exhaust Sys - SS Single Exhaust w/ Chrome Tip 2011-2014 Chevrolet Silverado 3500 HD LT / LTZ / WT $399.00 |
 IN STOCK - LOW 48947Quicker response, more power, low temp & more MPG Cuts back pressure, 4-inch constant-diameter DPF-back system, reduces tailpipe temps as much or more than stock and way more than others. Includes Cerakote Black Tip. US Patent #5,581,111 S1 Emissions Compliant: E.O. Not Required Fits all Cab and Bed... Banks Power 17+ GM Duramax L5P 2500/3500 Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2017-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $519.00 |
 IN STOCK 48996Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 17-19 Chevy Duramax L5P 2500/3500 Monster Exhaust System 2017-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $549.00 |
 IN STOCK - LOW 48774Monster Performance And Modes price. Improves airflow up to 122 percent. Banks new Monster Sport Exhaust is one cool cat back system! And its low price. Thats way cool. The system slashes backpressure; increases exhaust flow; improves fuel economy and delivers extra power to your rear wheels. Ex... Banks Power 06-07 Chevy 6.6L CCSB Monster Sport Exhaust System 2007-2007 Chevrolet Silverado 3500 HD LT / LTZ / WT $409.00 |
 IN STOCK 48997Banks Power introduces the new 5-inch Monster Exhaust designed specifically for the 2020-2021 GM 6.6L Duramax L5P 2500/3500 HD pickup trucks. The DPF-back exhaust system features constant-diameter 5-inch mandrel-bent Aluminized Steel tubing and a massive patented tip which virtually eliminates backp... Banks Power 20-21 Chevy/GMC 2500/3500 6.6L Monster Sport Exhaust System 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $646.95 |
 IN STOCK - LOW 140762Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 15-19 Chevy Silverado 2500 6.0L CC/STD Bed/153.7in WB S-Type Catback Exhaust 2015-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $1,220.99 |
 IN STOCK 140762BCBorla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 15-19 Chevy Silverado 2500 6.0L CC/STD Bed/153.7in WB S-Type Catback Exhaust Black Chrome Tip 2015-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $1,327.99 |
 IN STOCK - LOW 140833Borla 20-22 Chevrolet/GMC Silverado/Sierra 6.6L T-304 SS Cat-Back S-Type Exhaust - Brushed 2020-2024 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $1,233.99 |
 IN STOCK - LOW K5126A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 5in CB MFLR RPLCMENT PIPE SGL AL: 2006-2007.5 CHEVY 6.6L 2500/3500 2007-2007 Chevrolet Silverado 3500 HD LT / LTZ / WT $392.94 |
 IN STOCK 65652For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains.... Gibson 15-19 GMC Sierra 2500 HD Base 6.0L 3.5in/3in Cat-Back Dual Extreme Exhaust - Stainless 2011-2019 Chevrolet Silverado 3500 HD LT / LTZ / WT 2015-2019 Chevrolet Silverado 3500 HD High Country $769.24 |
 IN STOCK - LOW 65713BDon't waste a split second! The Black Elite displays performance and style by giving you the ultimate choice where there's no need to decide. Take on adventure with the Black Elite Split Rear. Each T-304 stainless tip is offered with a premium black ceramic finish applied with Gibson's formulated pr... Gibson 20-21 Chevy Silverado 6.6L 2.5in Cat-Back Dual Split Exhaust System Stainless - Black Elite 2023-2023 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $715.63 |
 IN STOCK - LOW 65714BThe Black Elite product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite. For increased style and Performance, the series pushes the ... Gibson 20-21 Chevy Silverado 2500HD 6.6L 2.5in Cat-Back Dual Extreme Exhaust - Black Elite 2023-2023 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $715.63 |
 IN STOCK 65650BThe Black Elite Series product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite Series. For increased style and Performance, the seri... Gibson 11-19 Chevrolet Silverado 2500 HD LT 6.0L 3.5in/3in Cat-Back Dual Sport Exhaust - Black Elite 2011-2019 Chevrolet Silverado 3500 HD LT / LTZ / WT 2015-2019 Chevrolet Silverado 3500 HD High Country $819.13 |
 IN STOCK 17870The PRO DPF Series has lifetime backed stainless steel construction, a muffler-less design and mirror polished welded intercooled tips. The best value system with a no hassle emissions legal design.... MagnaFlow SYS Cat-Back 2017 Chevrolet Silverado 6.6L Diesel Polished Single Wall 6in Tip 2007-2023 Chevrolet Silverado 3500 HD LT / LTZ / WT 2015-2023 Chevrolet Silverado 3500 HD High Country $839.00 |
 IN STOCK 19027Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the u... MagnaFlow Stainless Cat-Back Exhaust 2015 Chevy Silverado 2500HD 6.0L Dual Split Rear Exit 4in 2011-2019 Chevrolet Silverado 3500 HD LT / LTZ / WT 2015-2019 Chevrolet Silverado 3500 HD High Country $1,312.00 CLEARANCE VIEW PRICE IN CART |