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ask either one of them if they plan on refunding your money if it does not live up to thier stated HP Gains.
Let them pick the dyno, tell them you will run pulls prior and after install + 200 miles.
If it does not give you the gains they say, they should refund your cash.
In my humble optinion, I thnk what people are feeling after installing the ECU upgrades is the increase in responsiveness of the throttle and the increased redline.
If you dont have the intake and exhaust mods prior you will not be happy with your purchase.
heck a smaller underdrive pulley has been proven @10-12 HP increase and it is only 200$.
The ECU tune "promises" about the same for 800-1200$.
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2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
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