Reviewed By michael t (portland, ME) Reviewed for a 2017 GMC Sierra —11/2/2017 8:25 AM
Thought I purchased the borla touring exhaust but received the next step up louder than wanted working with borla easy to work with
Reviewed By Allen W (Bagdad, AZ) Reviewed for a 2008 Ford F-250 —3/12/2009 7:02 AM
The boost cooler really keeps the EGT's down and helps the fuel mileage about 1-2 MPG on my 6.4 Powerstroke Diesel. It does go through a load of the juice so I recommend using an alternative that they list on the site instead of the boost juice because you won't save any money on fuel.