Hi Guys,
Just completed my exhaust.
2 and 1/2 inch mendrel bent pipe, xforce twin loop muffler with PLM Headers.
No Resonator - Straight Flow. 100CPI Cat.
As soon as i go past 4k a small buzzing sound comes on. As soon as i hit 6k that sound is almost as loud as my car. I have taken a video but the sound is not clear, will try to take another one.
Is a Resonator important?
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