When did the GM 6.6 LML exhaust system come out?
When did the GM 6.6 LML exhaust system come out? With the release of the LML Duramax in 2011 model year applications came an entirely new exhaust system for GM. This factory system starts out at 3.5" diameter out of the turbo and features a catalyti read more Looking to cool down your 11-14 6.6L LML Duramax? This Monster Exhaust® system from Banks Power offers upto 100 degrees of cooling! How to upgrade Duramax 6.6L LML water level sensor? Upgrade to ensure you're never without proper fueling with a FASS HPFP. PPE Water Level Sensor Wrench 01-15 GM 6.6L GM...