Speed inc. SI5 cam
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We have made as much as 410 rwhp in a friends 00 F-body A4 and a 12 bolt ( stock heads ). I would say average # are 400 rwhp A4 and 415 M6 with supporting bolt ons.
We have a customer with a 05 GTO A4 ( stock heads ) 423 rwhp. The car has went high 10's on M/T DR's with 150 shot.
very good choice
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