Quote:
Originally Posted by LGAFF
I would say the 2" stuff needs to go before going to any dyno, think tf95ZR1 could chime in, I can't recall what he picked up when he dumped the Borla resonator but if I recall over 15hp...and it necks to about 2.25"
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As scientific as I could make it: In the AM I had my car dynoed with "A" resonator. Took the car to a muffler guy I know who replaced the resonator
with an "X" pipe. Took it back to the same dyno same day and got the results Lee stated.
I kept the same mufflers because I like the sound.
More resonance ~1800 RPM but tolerable and worth it to me. JMO