GMC Sierra 3500HD Performance Exhaust - Rear - Flowmaster - Outlaw Cat-Back - `20-`26
GMC Sierra 3500HD Performance Exhaust - Rear - Flowmaster - Outlaw Cat-Back - `20-`26

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Flowmaster Outlaw Cat-Back for GMC Sierra 3500HD (2020-2026). Aggressive tone and proven performance for your 6.6L gas V8.
This emissions-legal, bolt-on cat-back uses 3.50-in to dual 3.00-in mandrel-bent 409 stainless and an Outlaw-series muffler. Dual exits: straight out the rear or behind the rear wheels; dual polished 4.00-in tips included. Fits 2020-2026 GMC Sierra 2500HD/3500HD 6.6L gas V8, Crew Cab 6.5-ft bed; not for models with a 5th-wheel hitch.
Features
- Up to +9 hp and +9 lb-ft at the rear wheels vs. stock
- 3.50-in to dual 3.00-in 409 stainless, mandrel-bent tubing
- Hardware and factory-style hangers; Flowmaster Lifetime Limited Warranty
Questions? Call Austin 512-982-9393 or Los Angeles 562-981-6800. Installation and customization at both locations in Austin, TX and Los Angeles, CA.
If you're purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.
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