WRCprotege
Member
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- 03 Protege5 91 miata
underdrive pully, then lightweight flywheel.. and motor mounts are a must!!...my MP3 ECU helps, but mostly upper end...the mid punch and response from the header, and midpipe combo..(keep the exhaust on the smaller side) if fact at deals gap i like the stock cat back pipes to the MSP exhaust better than my big 2.5 exhaust system.. i lose so much low mid TQ with that big pipe set up.. MUCH more response from the stock size pipes with headers and mid pipe!!