MBRP 4" Cat-Back, Tour Profile, Single Side Exit Exhaust 06-07 GM 6.6L Duramax LLY APXD-X02-02-002 the factory thermal bypass block

the factory thermal bypass block is eliminated for constant cooling

steering shake

Carli worked with SDI to refine the drive modes

This 2 Pin Spanner Wrench is a must to adjust your ICON Coil-over Shocks

MBRP 4" Cat-Back, Tour Profile, Single Side Exit Exhaust 06-07 GM 6.6L Duramax LLY APXD-X02-02-002 the factory thermal bypass blockAre you looking to improve the sound and performance of your Duramax? The MBRP Armor Lite Cat Back Exhaust is built for diesel owners who want a real upgrade you can hear and feel. By replacing the restrictive factory exhaust, this system helps your Duramax breathe easier, unlocking a deeper, more aggressive diesel tone while improving throttle response and overall drivability. Whether youre towing, daily driving, or just want your truck to sound like