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Triad/SSI/Header Resonance Fix
A while back there were a few posts about resonance problems with SSIs/Headers and Triad mufflers. I own a Triad with 3" tips and RSR headers and also have noticed significant (my wife says deafening) resonance between 2100 and 2800 rpm especially under full throttle.
I decided tonight to try something to reduce the resonance and it appears to have worked. I plugged the left outlet with a 3" drain cleanout plug from HomeDepot (~$4) The car now exhibits minimal resonance over the complete rev range. There doesn't seem to be have been any noticable performance impact in my drive home. Triad owners - head to Home Depot for resonance relief! Cheers,
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Richard Pankhurst 1989 Coupe The Last Of The Best |
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Too big to fail
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You can reduce resonance even more by plugging both outlets.
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"You go to the track with the Porsche you have, not the Porsche you wish you had." '03 E46 M3 '57 356A Various VWs |
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Thom -- Is that how you guys keep under the noise limit on those West Coast tracks?
Cheers, Richard
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Richard Pankhurst 1989 Coupe The Last Of The Best |
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drag racing the short bus
Join Date: May 2002
Location: Location, Location...
Posts: 21,983
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Re: Triad/SSI/Header Resonance Fix
Quote:
With that said, it was suggested that cutting the tips slightly might rid the exhaust of its resonance. I'd try that instead of plugging up the exhaust.
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The Terror of Tiny Town |
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