Chevrolet Silverado 3500HD Performance Exhaust - Single Exit - Flowmaster - Flow FX Cat-Back - `20-`26
Chevrolet Silverado 3500HD Performance Exhaust - Single Exit - Flowmaster - Flow FX Cat-Back - `20-`26

Available Options
Drive now, Pay later with Affirm
or with PayPal
Both options will be available upon checkout.

Chevrolet Silverado 3500HD Performance Exhaust - Single Exit - Flowmaster - Flow FX Cat-Back - 2020–2026. Stainless single-exit system for 6.6L gas trucks that brings a deeper tone and added performance.
Designed for 2020–2026 GM 2500HD/3500HD 6.6L gas (2WD/4WD), this Flowmaster cat-back uses 3.5-inch mandrel-bent 16-gauge 409 stainless and a straight-through Flow FX muffler. It reuses factory hangers and connects to the OEM tailpipe for an easy at-home install. Delivers a deep tone with no interior drone and dyno gains up to 11 hp and 10 lb-ft at the wheels.
Features
- 3.5-inch 16-gauge 409 stainless, mandrel-bent
- Straight-through Flow FX muffler; deep tone, no drone
- Single-exit design; mates to factory tailpipe
- Uses stock hangers; hardware and instructions included
- Flowmaster Lifetime Limited Warranty
Questions or want to schedule? Call us: Austin, TX 512-982-9393 (TX); Los Angeles, CA area 562-981-6800 (CA). We offer professional 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



























