Reviewed By Scott W (MEADVILLE, PA) Reviewed for a 2009 Pontiac G8 —10/16/2017 8:26 PM
Rather loud when accelerating or going uphill. Otherwise, has a nice tone. I'll need to add some Hush Mat around the trunk and wheel wells. Also, my mileage went up about 3 1/2 mpg and performance improved noticeably.