Speed Stop & Masonbilt 5/8 Transmission Cooler Lines For 15-16 GM 6.6L Duramax 2008 eliminating the need for modifications

eliminating the need for modifications or resistors

With a focus on enhancing low-end and mid-range torque

like our entire line of 2015 WRX parts

Filters for Competitors Intakes Cross Reference: AFE XX-91036 (Dry Extendable)

Not recommended for models with rounded top bags

Speed Stop & Masonbilt 5/8 Transmission Cooler Lines For 15-16 GM 6.6L Duramax 2008 eliminating the need for modificationsDo you have leaky transmission lines? This is the last set of transmission lines you'll ever need. In a joint venture between Speed Stop Auto Repair and Masonbilt Diesel Performance, we have developed the most durable, serviceable, and the ONLY DOT approved transmission line set with a LIFETIME warranty. All of these lines are made by hand, in house, with equipment we own, meaning that we have complete control over quality and know that each line is