Perf Trans Cooler 2011-13 GM 6.6L Allison 1000 PPE Diesel Resonator Plug for XX-10782/80782 " like an updated plenum divider

like an updated plenum divider area

6L Duramax Fuel Injectors

Add it all together and you get a muffler that flows over three times better than stock and delivers a pleasing

7 Flashing Options

Perf Trans Cooler 2011-13 GM 6.6L Allison 1000 PPE Diesel Resonator Plug for XX-10782/80782 " like an updated plenum dividerExcessive heat prematurely damages the transmission. PPE Performance Bar and Plate Transmission Cooler give you the Proper cooling of your transmission fluid that you need to extend your transmission lifespan. Bar and plate style cooler is far superior to the OEM style tube and fin cooler in terms of cooling performance. Within each repeating section, the internal staggered square pattern fins divert the high temperature transmission fluid and