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Discussion Starter · #1 ·
Its bout time to get into the engine of my E46M3... I have done reaserch myself and got these so far...

-SS headers
-SS Race pipe
-SS Connecting pipe
-Schrick cams

Guys what do u think bout these mods?? Any of u here done this?? Any increase in power?? How many cats does the m3 have?? Cuz I heard the cats are in the headers so if I remove them why does SS have the race pipe that elimnates them? And how many resonators are there 2? Will I have more sound if I remove them?? Also Tubi has an EXS flow pipe which supposedly is good.. couldn't get in their site for some reason .. . need help guys...

ECU I heard tons of them .. whats the best??

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