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Power loss

Hey guys I'm wondering why I'm losing power top end. Car builds good power til 6950-7000 rpm and then it plateaus til about 7500 then I lose 5hp til redline.

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Old 04-14-2012, 03:09 PM   #1 (permalink)
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Default Power loss

Hey guys I'm wondering why I'm losing power top end. Car builds good power til 6950-7000 rpm and then it plateaus til about 7500 then I lose 5hp til redline. Current mods.

Stillen g3
Motordyne manifold
Fi lth
Custom 2.5 exhaust h pipe with magnaflow muffler
4.08s
Uprev tune

Tuner says could be exhaust but I have no idea why it's happening. Any help will be appreciated.

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Last edited by whoLEEoh; 04-15-2012 at 08:24 PM.
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