Southside Motorsports Posted March 25, 2004 Report Share Posted March 25, 2004 The three highest horsepower top end drag pipes are #1 Shearer out of frames #2 GRR suicide out of frames and #3 CPI out of frames. I personally run Shearers and on the dyno they show 4 more hp over any other pipe on the market. www.shearerpipes.com www.cpiracing.com www.grandriverracing.com Quote Link to comment Share on other sites More sharing options...
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