exhausts (1 into 4)
i need help. heard that prodrive do a 1 into 4 decat to the manifold giving an extra 40 odd brake. whats its correct name and does anyone else do one. been to prodrive web site but couldn't find it..........please help
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From: From 208BHP to 311BHP and 12.8sec 1/4mile
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fatboy_coach
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Jun 18, 2016 03:48 PM



