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Gibson
Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless
SKU: G003 615632
Moderate — 2–4 hours
Description
The system features a Gibson Superflow Muffler with a baffled and chambered design, eliminating internal packing for an aggressive sound with minimal interior drone. It includes a T-304 polished stainless tip, expertly crafted for durability and style, exiting behind the rear tire. The construction utilizes stainless steel mandrel-bent tubing, and the kit includes all necessary factory hangers and clamps for a seamless, hassle-free bolt-on installation with no welding required. This product is proudly Made in the USA and backed by a Lifetime Limited Warranty.
Fitment
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Specifications
| Brand | Gibson |
| Part Number | G003 615632 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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