PPE OEM Length High Flow Up-Pipes 2001-2004 Duramax RETRO V8 This bracket is for duel

This bracket is for duel fueler equipped trucks only

Deeper Exhaust Tone w/ More Turbine Whistle

Designed specifically for the 68RFE transmission

patented design

PPE OEM Length High Flow Up-Pipes 2001-2004 Duramax RETRO V8 This bracket is for duelPPE OEM Length High Flow Up Pipes 2001 2004 Duramax The PPE 116120000 Replacement Up Pipes for your 2001 2004 GM 6. 6L Duramax increase flow, and reliability. Even a stock Duramax can produce high temperatures and pressures that cause OEM up pipes eventually fail from constant temperature and pressure fluctuation. PPE has taken the OEM replacement to a new level. PPE OEM Up Pipes allow 53% greater flow over stock, and are a direct bolt on to your