So how much hp did ppl gain by going w/ the headers?
#3
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If you get intake, exhaust, and header with deleted cats on a GS300 and tune it correctly with an SAFC...you should be able to gain up to 25-30hp or so. For the GS400/430, the same combo tuned correctly should yield 40-45hp increase or so. I'm sure on the numbers for the GS300, but not too sure on the GS4/430's. Correct me if I'm wrong on that.
#4
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I did an extensive search before purchasing mine and found out that no one really has any dyno data to prove Hp/Torque increase over stock. You can fell it on the high end but of course I haven't dyno'd my car either.
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goto35
IS F (2008-2014)
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05-04-19 12:18 PM
Yes
SC430 - 2nd Gen (2001-2010)
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10-21-08 08:52 AM