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Arent you surprise guys about how much power they did with those cheap muffler delete ?
I tought NA motor needed back pressure but it look like our flat 4 like freeflow better.
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- 2013 Scion FR-S Firestorm
- 2007 Lotus Exige S 280 Solar Yellow
- 2007 Honda CBR 600RR
- 2002 Bombardier Legend 800SE
Website : http://nofear99.monchar.com |