GMC Yukon Performance Exhaust - Rear - Flowmaster - American Thunder Cat-Back - `00-`03
GMC Yukon Performance Exhaust - Rear - Flowmaster - American Thunder Cat-Back - `00-`03

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GMC Yukon Performance Exhaust - Rear - Flowmaster American Thunder Cat-Back (2000–2003). Built for 4.8L/5.3L models, it delivers a moderate, muscular tone outside with controlled resonance inside.
This American Thunder cat-back runs 3.00-inch mandrel-bent aluminized steel into a Super 50 Series™ muffler with a built-in Helmholtz chamber for cabin comfort. Dual 2.50-inch tailpipes exit behind the rear wheels—ideal for towing—and finish with polished 3.00-inch 304 stainless steel tips. Dyno-tuned, compatible with 2WD/4WD, and it installs using factory hanger locations with included hardware. Covered by a 3-year limited warranty.
Features
- 2000–2003 GMC Yukon/Chevrolet Tahoe, 4.8L or 5.3L
- 3.00 in. mandrel-bent main tubing
- Super 50 Series muffler; mild interior tone
- Dual 2.50 in. tails behind rear wheels
- Polished 3.00 in. 304 stainless tips
Questions or need fitment help? Call us. We offer installation and customization at our shops in Austin, Texas and the Los Angeles, California area: 512-982-9393 (TX), 562-981-6800 (CA).
Thinking about multiple items? Contact us for potential shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov



