drone

Hello, I am in the process modifying my exhaust because I had a partial blocked Catalytic Converter for the 2nd time in 3 years. The first one went with 108,000 miles and the 2nd one had 160,000 miles on it. Not sure way they became clogged, I haven’t had any check engine lights on or O2...

The dreaded drone has come to bite me. I have the 03 i6 blazer with a series 10 flow master dueled into echo tips. Amazing gain in mpg and power but now I have a little one coming and my wife is not wanting to put ear muffs on the baby every time we take the blazer. I know I'll probably have to...

I haven't been able to find a straight answer on this... From what I gather, many people have a problem with cabin drone when using a Magnaflow muffler with resonator delete. What I want is a slightly-louder-than-stock and much more aggressive sound. I believe the Magnaflow will give me the...