Chevrolet 3500HD Performance Exhaust - Flowmaster - Flow FX Cat Back - Black - `11-`19
Chevrolet 3500HD Performance Exhaust - Flowmaster - Flow FX Cat Back - Black - `11-`19

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Chevrolet 3500HD Performance Exhaust - Flowmaster Flow FX Cat-Back (Black), 2011-2019. A stainless, bolt-on upgrade for GM 2500HD/3500HD 6.0L that delivers an assertive tone and proven gains.
Built from 16-gauge 409 stainless, this system uses 3.5-in to dual 3.0-in mandrel-bent tubing for improved flow, with a straight-through Flow FX muffler for an aggressive to moderate note. Dual side exits finish with 4.0-in black stainless tips. Installs using factory hanger locations with included hardware. Fits 2011-2019 GM 2500HD/3500HD 6.0L extended or crew cab with 6.5-ft bed only; may not fit some fifth-wheel hitches. Backed by Flowmaster's Lifetime Limited Warranty. Max gains of 10 hp and 10 lb-ft at the rear wheels over stock.
Features
- 409 stainless construction
- 3.5-in to dual 3.0-in mandrel-bent tubing
- Flow FX straight-through muffler
- Dual side exit with 4.0-in black tips
Questions or need fitment help? Call Austin, TX 512-982-9393 or Los Angeles area, CA 562-981-6800. We offer installation and customization services at both locations.
Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.
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