2001-2010 DURAMAX 4IN MBRP STRAIGHT PIPE EXHAUST

2001–2010 Duramax MBRP 4” Straight Pipe – Race Profile

Wake up your Duramax with the perfect balance of performance, sound, and drivability. The MBRP 4-Inch Race Profile Straight Pipe Exhaust is designed for 2001–2010 Chevy/GMC Duramax trucks and delivers that aggressive diesel tone without going overboard.

Built from 16-gauge heavy-duty aluminized steel, this downpipe-back 4” system improves exhaust flow, reduces backpressure, and lets your turbo breathe freely. It’s the ideal choice for Duramax owners who want a bold upgrade that’s a little more daily-driver friendly than a 5” pipe.

✅ Fits 2001–2010 Duramax (LB7, LLY, LBZ, LMM)
✅ Race Profile Sound – aggressive tone with clean turbo whistle
✅ 4-Inch Downpipe-Back System for better airflow
✅ Crafted from 16-gauge aluminized steel
✅ 1-Year MBRP Warranty included

With an easy bolt-on installation, this exhaust system transforms your truck’s personality in just a few hours. Whether you’re hitting the highway or lining up at the track, the MBRP 4” straight pipe brings your Duramax to life with the right mix of power and sound.

⚡ Order now and experience the sound upgrade every Duramax deserves.