rpretzel Posted June 25, 2008 Report Share Posted June 25, 2008 I recently upgraded from the Evo Stage 1 to the Evo Stage 4. I wanted to post this up to give credit where credit is due. A big thanks goes out to Fred @ Evolution Performance! Also want to thank... -Bear at Dyno-Pro for the generous dyno time -Scott at P&Performance for installing the headers for much less than he should have -SLGT750 for the use of the pulley puller and the moral support. Evo Stage 4: - 2.6" s/c pulley - JLT CAI - +10% IW billet balancer pulley - 160mm throttle body - AR LT headers &n catted X-pipe - 3" Magnaflow "race" cat-back - NGK TR6 Spark Plugs Also added: - 3.5" 1-piece aluminum driveshaft - Steeda high capacity heat exchanger. Conditions: 6,000 feet elevation, 71*F, 6% humidity, SAE corrected Results: 606 rwhp, 617 rwtq :happy feet: :happy feet: :happy feet: Link to comment Share on other sites More sharing options...
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