I think its if you have equal length headers you will loose some of the rumble. Yours are unequal at the moment which is why it sounds nice
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10 Years of Scoobies:04 WRX SL, 06 HAWK STI, 97 JDM WRX STI WAGON, 05 WRX STI, MK3 FOCUS RS, now Porsche Cayman S
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