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Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by dunanga, Aug 26, 2007.
Can anybody tell me the possible power boosting modifications to an A4 petrol engine?
Come on Golf don't make fun.
I've got a couple of these inline on the A4.
835whp at my last dyno before it ripped the rollers out of the ground.