Thread: How much HP do headers add....

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  1. #1 How much HP do headers add.... 
    GOTIT4CHEAP16
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    Default 06-14-2010
    on an L67 powered engine?
    Gen V, 3.0, Stage 2 heads, XP Cam, SD Headers, N*, LQ4, ZZP Stage 2 Gen 3 Intercooler, CAI, AL 104's Gapped to .055, #130 Springs, 42.5lb Injectors, ZZP Tune.

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  2. #2 Re: How much HP do headers add.... 
    CTKGP09
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    Default 06-14-2010
    depends on your other mods. headers will shift your powerband into the higher RPMs so gettin to 6k becomes easier but a little low end torque is sacrificed, but its hardly a difference. it is a flow mod so it inceases your acceleration more than anything
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  3. #3 Re: How much HP do headers add.... 
    QwikGT
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    Default 06-14-2010
    on a bolt on car with a 3.4 pulley expect to see about 20HP to the wheels, with a tune of course
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  4. #4 Re: How much HP do headers add.... 
    GOTIT4CHEAP16
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    Default 06-14-2010
    Cool. Thanks you guys.
    Gen V, 3.0, Stage 2 heads, XP Cam, SD Headers, N*, LQ4, ZZP Stage 2 Gen 3 Intercooler, CAI, AL 104's Gapped to .055, #130 Springs, 42.5lb Injectors, ZZP Tune.

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