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Need specific decibel output for MHP long tube header cars
It's been a while. I've just been incredibly busy and not around the forum much. Still prepping for next year's track season.
I am wondering if any owners that have the MHP long tube headers can let me know their decibel output from 15 feet behind the car, about 5000 rpm, already hot (not cold start) and you can do a progressive throttle (if you rev quickly it will be higher from experience). There are a few iphone apps out there that are relatively accurate.
Think of getting them (maybe with the silencers) but there are sound restrictions on most tracks. The most restrictive one I go to is Calabogie. You can't go higher than 92db from 15 feet at 2/3 max rpm during the soundcheck.
thanks in advance!
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