Originally posted by MilwSVT:
I just installed KKM + Miks heat shield in a '99 SVT. Performance is improved and there's a little more rumble, in general, but there's also a high-pitched whine on acceleration.
i have the kkm and never had any noise at all. took out the hoodliner today and i have a light whistling sound when accelerating. can't really hear it with the radio on + y-pipe and exhaust are on the way, so i definitely wont be able to hear it then!