Flowmaster Flow FX Cat-Back Exhaust System For 20-25 GM 2500HD/3500HD 6.6L Gas led off-road lighting & light bars Precise MAF bung placement is

Precise MAF bung placement is the key to the PERRIN Intakes power

Our knuckles raise the tie rod 2 3/4 in

Specifically engineered for Toyota 4Runner (2003–2021) and FJ Cruiser (2007–2014)

+17% Flow Compared to IS38 Stock Turbo

Flowmaster Flow FX Cat-Back Exhaust System For 20-25 GM 2500HD/3500HD 6.6L Gas led off-road lighting & light bars Precise MAF bung placement isThis Flowmaster Flow FX cat back exhaust system for the 2020 2025 GM 2500HD 3500HD trucks with the 6. 6 liter gas engine is manufactured using durable 409 stainless steel throughout and features 3. 50 to dual 3. 00 inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +9 hp and +10 lb ft at the rear wheels. This