View our Specials! Coupon Code: SaveIn2026
Gibson Cat-Back - Dual Extreme for a 2007-2009 Chevrolet Silverado 2500 HD, 2007-2009 Chevrolet Silverado 3500 HD, 2007-2009 GMC Sierra 2500 HD and 2007-2009 GMC Sierra 3500 HD.
0 Reviews
For 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. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.
Features:| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2007 - 2009 | Chevrolet | Silverado 2500 HD | WT | ||
| 2007 - 2009 | Chevrolet | Silverado 2500 HD | LTZ | ||
| 2007 - 2009 | Chevrolet | Silverado 2500 HD | LT | ||
| 2007 - 2009 | Chevrolet | Silverado 3500 HD | WT | ||
| 2007 - 2009 | Chevrolet | Silverado 3500 HD | LTZ | ||
| 2007 - 2009 | Chevrolet | Silverado 3500 HD | LT | ||
| 2007 - 2009 | GMC | Sierra 2500 HD | WT | ||
| 2007 - 2009 | GMC | Sierra 2500 HD | SLT | ||
| 2007 - 2009 | GMC | Sierra 2500 HD | SLE | ||
| 2007 - 2009 | GMC | Sierra 3500 HD | WT | ||
| 2007 - 2009 | GMC | Sierra 3500 HD | SLT | ||
| 2007 - 2009 | GMC | Sierra 3500 HD | SLE |
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov IN STOCK Diamond Eye Performance K5126A-RPDiamond Eye Performance Catback Exhaust Kit AL Diamond Eye KIT 5in CB MFLR RPLCMENT PIPE SGL AL: 2006-2007.5 CHEVY 6.6L 2500/3500 $471.53
|
 IN STOCK - LOW MBRP S5078ALMBRP Catback Exhaust AL MBRP 07-10 Chevy/GMC 2500HD PU 6.0L V8 3.5in Single Side Exit Alum Cat Back Perf Exhaust $446.24
|
 IN STOCK MBRP S6052PLMMBRP Catback Exhaust AL MBRP 07-10 Chevy Silverado / GMC Sierra 2500/3500HD 4in OD CatBack Single Side Exit w/ Downpipe - AL $432.29
|
 IN STOCK MBRP S5078409MBRP Catback Exhaust 409 MBRP 07-10 Chevy/GMC 2500HD PU 6.0L V8 3.5in Single Side Exit T409 Cat Back Perf Exhaust $607.74
|
 IN STOCK aFe 46-40024aFe Bladerunner Man & acc. aFe Power BladeRunner Ported Ductile Iron Exhaust Manifold 01-16 GM Diesel Trucks V8-6.6L (td) $689.00
|
 IN STOCK MBRP S6026SLMMBRP DPF Back Exhaust SLM MBRP 07-10 Chevy/GMC 2500/3500 Duramax LMM 4in Filter Back Single Side T409 No Muffler $329.16
|
 IN STOCK CORSA Performance 14031BLKCORSA Performance Tip Kit Corsa 1999-2006 Universal Stainless Steel Twin 4.0in Black PVD Pro-Series Tip $381.99
|
 IN STOCK Victor Reinz MS16124Victor Reinz Exhaust Manifold Sets MAHLE Original Buick Allure 09-08 Exhaust Manifold Set $42.65
|
 IN STOCK CORSA Performance 14031CORSA Performance Tip Kit Corsa 2009-2013 Inlet 4in Pro Series Twin Side Swept Exhaust Tip Kit $341.99
|
 $211.00
|
 IN STOCK Victor Reinz MS19398Victor Reinz Exhaust Manifold Sets MAHLE Original Chevrolet Express 2500 12-06 Exhaust Manifold Set $53.42
|
For more information on Gibson part number 65621, you can visit the official Gibson website.
