Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

4in mbrp exhaust

  1. 04.5-05 LLY Performance Parts Discussion
    Hey all, i'm replacing my factory exhaust off my 2004.5 LLY Duramax. I've decided to go with the MBRP Pro series downpipe-back exhaust and a stainless steel downpipe from PPE. My question to anyone who has done this, is it necessary to buy the PPE downpipe support bracket? I've seen some guys...
  2. Wheels & Tires
    I have 315/75R16s on my stock suspension 07 Classic Duramax. The tires are equilivent to a 35'' tire but i want to go to a 20in wheel with 35's. I am looking for the backspacing on the wheels that will keep the tires from scrubbing. The bfg km2's im running now do not scrub at all and i would...
Top