Chevrolet Avalanche Performance Exhaust - Rear - Flowmaster - American Thunder Cat-Back, Dual 4.00-inch Polished 304 Stainless Steel Tips, Super 50 Series Performance Muffler - Polished - `01-`06
Chevrolet Avalanche Performance Exhaust - Rear - Flowmaster - American Thunder Cat-Back, Dual 4.00-inch Polished 304 Stainless Steel Tips, Super 50 Series Performance Muffler - Polished - `01-`06

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Chevrolet Avalanche Performance Exhaust - Rear — Flowmaster American Thunder Cat-Back. For 2001–2006 Avalanche 1500 (5.3L), it delivers a deep exterior note, mild interior tone, and durable stainless construction.
Flow runs from a flanged resonator assembly through a tuned resonator into a Super 50 Series muffler for balanced sound and performance. Mandrel-bent 16‑gauge stainless tubing feeds dual 2.50-inch tailpipes behind the rear tires with dual 4.00-inch polished 304 tips. Connects after the factory catalytic converter and uses factory hanger locations. Also fits 2001–2006 Suburban and Yukon XL 1500 (5.3L). Not for models with auto-leveling.
Features
- American Thunder cat-back; Super 50 Series muffler
- 16-gauge mandrel-bent stainless steel
- Dual 2.50-inch tails; dual 4.00-inch polished 304 tips
- Includes hangers/hardware; Limited Lifetime Warranty
Questions or ready to book? Call Austin at 512-982-9393 (TX) or our Los Angeles area shop at 562-981-6800 (CA). We offer installation and customization at both locations.
Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov



