Description
Enhance the performance and style of your Chevrolet Silverado 1500 or GMC Sierra 1500 with the Gibson 65638 dual sport exhaust system. Crafted from durable stainless steel, this cat-back exhaust features mandrel-bent tubing for optimal flow and a polished stainless steel round slash-cut clamp-on tip that adds a sleek, aggressive look behind the rear tire. The system is designed to deliver a powerful, authoritative deep exhaust tone with minimal interior drone, making your driving experience more enjoyable without annoying noise inside the cab. This bolt-on installation requires no welding, allowing for hassle-free, professional-looking results in less time.
Gibson’s Superflow™ muffler with baffled and chambered design ensures increased horsepower—typically 10-15 horsepower gains—and torque improvements of 15-20 lb-ft, verified through dyno testing. The included hardware and factory-style hangers make installation straightforward, and the system’s stainless steel construction guarantees long-lasting durability and corrosion resistance. This exhaust system not only enhances performance but also adds a distinctive aesthetic to your vehicle. Backed by a lifetime limited warranty, the Gibson 65638 is a reliable upgrade for enthusiasts seeking both style and power gains for their trucks.
Please note that this exhaust system is prop 65 compliant and is not CARB-approved, making it suitable for off-road or show purposes only. Designed to fit specific model years, this system is an excellent choice for owners of 2010-2012 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks seeking a high-quality, performance-oriented upgrade.
Features:
- Polished stainless steel round slash-cut clamp-on tips for a sleek look
- Baffled and chambered muffler with no internal packing for optimal flow
- Minimal interior drone with an aggressive exhaust sound
- Includes all necessary hardware and factory-style hangers for easy installation
- Hassle-free bolt-on installation with no welding required
- Stainless steel mandrel-bent tubing for durability and improved exhaust flow
- Backed by a lifetime limited warranty for peace of mind
- Designed with Gibson’s Superflow™ muffler for performance and sound quality
Fitment:
Chevrolet Silverado 1500 Hybrid 2010
Chevrolet Silverado 1500 Hybrid 2011
Chevrolet Silverado 1500 Hybrid 2012
Chevrolet Silverado 1500 LS 2010
Chevrolet Silverado 1500 LS 2011
Chevrolet Silverado 1500 LS 2012
Chevrolet Silverado 1500 LS 2013
Chevrolet Silverado 1500 LT 2010
Chevrolet Silverado 1500 LT 2011
Chevrolet Silverado 1500 LT 2012
Chevrolet Silverado 1500 LT 2013
Chevrolet Silverado 1500 LTZ 2010
Chevrolet Silverado 1500 LTZ 2011
Chevrolet Silverado 1500 LTZ 2012
Chevrolet Silverado 1500 LTZ 2013
Chevrolet Silverado 1500 WT 2010
Chevrolet Silverado 1500 WT 2011
Chevrolet Silverado 1500 WT 2013
Chevrolet Silverado 1500 XFE 2010
Chevrolet Silverado 1500 XFE 2011
Chevrolet Silverado 1500 XFE 2012
Chevrolet Silverado 1500 XFE 2013
GMC Sierra 1500 Hybrid 2010
GMC Sierra 1500 Hybrid 2011
GMC Sierra 1500 Hybrid 2012
GMC Sierra 1500 SL 2010
GMC Sierra 1500 SL 2011
GMC Sierra 1500 SL 2012
GMC Sierra 1500 SL 2013
GMC Sierra 1500 SLE 2010
GMC Sierra 1500 SLE 2011
GMC Sierra 1500 SLE 2012
GMC Sierra 1500 SLE 2013
GMC Sierra 1500 SLT 2010
GMC Sierra 1500 SLT 2011
GMC Sierra 1500 SLT 2012
GMC Sierra 1500 SLT 2013
GMC Sierra 1500 WT 2010
GMC Sierra 1500 WT 2011
GMC Sierra 1500 WT 2012
GMC Sierra 1500 WT 2013
GMC Sierra 1500 XFE 2010
GMC Sierra 1500 XFE 2011
GMC Sierra 1500 XFE 2012
GMC Sierra 1500 XFE 2013






















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