Banks Exhaust

[TMKHUM]

Actually you can cure most of the resonance issues.

I have a magnaflow exhaust on my H2, and it had pretty bad drone. Car Chemistry exhaust inserts right after the output side of the muffler will knock down most of the resonance issues. It will also mellow the sound a bit.

They typically use them in racing headers, and are very low restriction.

Dynotech makes some similar inserts also.

Tom