markSSylver Posted February 26, 2005 Report Share Posted February 26, 2005 i have a whipple s-c and lately the boost has been going up to 9# of boost but i havent changed the pulley or anything its normally around 5#of boost someone told me it could be my cats are getting clogged and are not letting the exhaust out causing more backpressure = more boost just wanted to get some opinions before i go spending money on a fix that may or may not fix my problem Link to comment Share on other sites More sharing options...
stexx Posted February 27, 2005 Report Share Posted February 27, 2005 i would give whipple a call and see what they say before going and spending a lot of money Link to comment Share on other sites More sharing options...
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