Shop By Category
Your Cart

2020-2024 GM 6.6L L5P Duramax Performance Exhaust Systems

Performance Exhaust Systems for the 2020-2024 GMC & Chevy 2500 & 3500 Series L5P Duramax Powered Trucks. 

Brand: Magnaflow Part Number: 17870
The MagnaFlow PRO DPF Series 17870 utilizes it's weight-optimized, durable, corrosion resistant stainless steel design to enhance your truck with MagnaFlow’s signature sound and dyno-tested performance. 17870’s 5in. diameter mandrel bent main piping features a muffler delete and terminates in a Sing..
$839.00
Brand: Wehrli Custom Fabrication Part Number: WCF100624
Replace the lightweight, leak prone, 1 5/8" OEM up pipes on your 2017-2023 Newer Duramax with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGT's. This kit is for use with factory exhaust manifolds..
$635.35
Brand: Wehrli Custom Fabrication Part Number: WCF100129
Replace the restrictive crushed factory downpipe on your 2017-2024 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow.  Black Ceramic Coated and Heat wrapped.  Down Pipe includes bungs for sensors and NO tuning required to use this downpipe. ***Connects to the DOC (Diesel ..
$309.43
Brand: Wehrli Custom Fabrication Part Number: WCF100373
WCFab’s 2017-2024 Duramax Billet Exhaust Manifolds with EGR Riser Flange replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs and increasing power and econ..
$1,450.15
Brand: Wehrli Custom Fabrication Part Number: WCF100199
The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high-strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure prone 8mm OEM fasteners employed on the 2017 and newer 6.6L Duramax engines to connect the up pipes ..
$55.29
Brand: MBRP Part Number: S6059304
Fits: 2020-2023 GM 6.6L Duramax L5POur PRO Series is the best performance exhaust system that money can buy. It is a series designed and built for the serious enthusiast who will settle for nothing less. Constructed from T304 stainless steel it delivers you optimal durability that keeps on looking i..
$464.99
Brand: MBRP Part Number: S6059BLK
Fits: 2020-2023 GM 6.6L Duramax L5PThe MBRP 4" Black Series Filter-Back Exhaust System will add a sinister look to the back of your Double or Crew Cab 2020-2023 GM 6.6L Duramax L5P. This exhaust system features heavy duty aluminized steel construction and 4" mandrel bent tubing for optimal flow. A 5..
$489.99
Brand: AFE Part Number: 49-44126-X
Fits: 2020-2023 GM 6.6L L5P Duramax (All Double & Crew Cabs)  This AFE 49-44126 Large Bore HD 4" Dual Filter- Back Exhaust System is the perfect way to add style and power to your GM 6.6L L5P Duramax (All Double & Crew Cabs). Includes a 4" mandrel-bent tubing manufactured f..
$712.00
Brand: Banks Power Part Number: 48997-X
Fits: 2020-2023 GM 6.6L l5P Duramax (All Double & Crew Cabs)This Banks Power 48997 5" Single Monster Exhaust With Sidekick Tip will help lower exhaust gas temperatures on your GM 6.6L L5P Duramax. The DPF-back exhaust system features 5" mandrel bent Aluminized Steel tubing and a massive 6.5 X 7...
$628.00
Brand: MBRP Part Number: S6059AL
Give your vehicle a unique sound with an MBRP Touring Profile exhaust. Enjoy a performance exhaust note without the aggressive volume. Your vehicle should have sounded this good from the factory.Year: 2020-2023Make: Chevrolet/GMCModel Silverado 2500HD/Silverado 3500HD/Sierra 2500HD..
$349.99
Showing 1 to 10 of 10 (1 Pages)