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Old 12-31-2011, 08:04 PM   #1
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IN new exhaust loss power

i had install AEM CAI, and i feel the car gain some power. after that, i installed new B&B exhaust, but i feel the car loss lots of power due to the new exhaust. the rmp increase so slow. anyone can help me? Thanks
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Old 12-31-2011, 08:11 PM   #2
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have you checked if your butt-dyno is properly calibrated? Sounds a little off...
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Old 12-31-2011, 08:31 PM   #3
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have you checked if your butt-dyno is properly calibrated? Sounds a little off...
can i just reset ECU? im new here, so i do not know about the butt-dyno.
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Old 12-31-2011, 08:38 PM   #4
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you can reset the ecu by unplugging the battery for a few min.
You can also reset the NVRAM by doing the 20 brake pedal procedure (search for it).
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Old 12-31-2011, 08:47 PM   #5
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you can reset the ecu by unplugging the battery for a few min.
You can also reset the NVRAM by doing the 20 brake pedal procedure (search for it).
Thanks, i will try tomorrow. how about if it still doesnt work? what should i do next.
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Old 12-31-2011, 09:08 PM   #6
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http://lmgtfy.com/?q=site%3Arx8club....+loss+of+power
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Old 01-01-2012, 06:32 PM   #7
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i reset ECU today, and the power is back, but the new problem is the idle bacome unstable when braking, up and down between 1000-500 rpm, i do some search, i think on one has the same problem with mine.
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Old 01-01-2012, 10:38 PM   #8
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your idle is unstable due to resetting the ecu. The fuel trims will need to be relearned, and this will take about 4-6 drive cycles

your searching needs to improve...
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Old 01-20-2012, 10:51 AM   #9
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How long were you running your car with the intake and before changing out the exhaust?

Did you check the exhaust for obstructions before the install?
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Old 01-20-2012, 10:51 AM
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