FLO-PRO 5" SS Downpipe Back Single No Muffler | 2020-2026 GM 2500/3500 6.6L DURAMAX L5P

Upgrade your 2020–2026 GM 2500HD/3500HD 6.6L Duramax L5P with the FLO-PRO 5" Stainless Steel Downpipe-Back Exhaust System. This single-exit, no-muffler system is built to maximize exhaust flow, improve turbo response, and deliver a deep, aggressive exhaust tone. Ideal for towing, performance, and off-road applications.

• Fits 2020–2026 GM 2500HD/3500HD 6.6L Duramax L5P
• 5" stainless steel construction
• Downpipe-back single exhaust system
• No muffler for maximum sound
• Improved exhaust flow & turbo performance
• Direct-fit installation

For off-road use only where applicable.