Reviewed By Scott W (JOHNSON CITY, TN) Reviewed for a 2007 GMC Sierra —7/21/2017 5:56 AM
The cold air intake has given my truck more horse power but no difference in fuel mileage.
Reviewed By Paul G (MAYSVILLE, KY) Reviewed for a 2007 GMC Sierra —5/17/2017 4:13 AM
The Borla Touring Exhaust sounds great but people need to be aware that even though Borla claims no cabin drone, it does drone at lower RPM's. Once you get to cruising speeds it's OK and slightly louder than stock. All in all it is a little pricey but it does sound very good.