GMC Colorado Performance Exhaust - Flowmaster - American Thunder Cat-Back - `23-`26
GMC Colorado Performance Exhaust - Flowmaster - American Thunder Cat-Back - `23-`26

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GMC Colorado Performance Exhaust - Flowmaster American Thunder Cat-Back ('23-'26). Built for the 2.7L turbo, it delivers a deep, aggressive-to-moderate tone with dyno-verified gains.
Built from 16-gauge 409 stainless, this cat-back uses 3.00-inch to dual 2.50-inch mandrel-bent tubing and a 50 Series Big Block muffler. Choose rear or same-side exit with dual 3.5-inch polished stainless tips. Dyno testing showed gains up to 13 hp and 15 lb-ft at the rear wheels. It reuses factory hanger locations, includes complete hardware and instructions, and is backed by Flowmaster’s Lifetime Limited Warranty. Fits 2023-2026 GM Colorado/Canyon 2.7L turbo (cat-back).
Features
- 16-gauge 409 stainless steel construction
- 3.00" to dual 2.50" mandrel-bent tubing
- 50 Series Big Block performance muffler
- Dual 3.5" polished tips; rear or same-side exit
Questions or fitment help? Austin, Texas 512-982-9393 • Los Angeles, California area 562-981-6800. We offer professional installation and customization at both locations.
Buying multiple items? Contact us for possible shipping discounts. We install on premises at both locations.
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