MBRP 4" Cat-Back Tour Profile Single Side Exit Exhaust 04.5-05 GM 6.6L Duramax LLY CS-FRAD-17 The OE Head is a

The OE Head is a factory style replacement

prevent issues

progressive leaf stack

This is kit is designed to fit crew cab trucks without the driver side "dead pedal" option

5″ Toyo R/T and

MBRP 4" Cat-Back Tour Profile Single Side Exit Exhaust 04.5-05 GM 6.6L Duramax LLY CS-FRAD-17 The OE Head is aAre you looking to maximize your Duramaxs performance? The MBRP Armor Lite Cat Back Exhaust is built for diesel owners who want more than just a louder truck; they want a better performing one. By replacing the restrictive factory exhaust, this system improves airflow, helping your Duramax breathe easier, respond quicker, and run more efficiently under load. From towing heavy to daily driving, this exhaust delivers a deeper, more aggressive diesel