Honest thoughts on Valvetronic exhausts...(3 setups + DYNO results) Heard things? Curious? I've had 3 Valvetronic setups so far and...

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If you are having trouble installing your G80 or G82 midpipe please review this document

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By: Alex Martinez I’m a fan of the little details. After all, I feel that most individuals and companies can...

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A guide for B58 equipped F Series vehicles running our F Chassis Axle Back!(M140i, M240i, 340i, 440i)

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What sound level is right for your F2x/ F3x? Find out here!

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