Speed Stop & Masonbilt 5/8 Transmission Cooler Lines For 15-16 GM 6.6L Duramax 2014-2018 Audi RS7 Adds 20 to 50 Horsepower

Adds 20 to 50 Horsepower

Anti-Surge Ring

Includes parallel ground hardened washers

Best suited to trucks without or only minor power modifications

Speed Stop & Masonbilt 5/8 Transmission Cooler Lines For 15-16 GM 6.6L Duramax 2014-2018 Audi RS7 Adds 20 to 50 HorsepowerDo 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