10-01-2022, 07:27 AM
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#8
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Drives: E92 BMW M3
Join Date: Oct 2012
Location: Houston
Posts: 4,496
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Quote:
Originally Posted by yourmomshouse
I have the Corsa NPP and CSP catless headers with the stock mid section. There is zero drone. It's SOO quiet in stealth mode from inside the car, like a V6 camry. With the valves open, it's about as loud as a straight piped V8 can be. This is why I paid for the Corsa. I gotta admit though, all of these axlebacks sound better with the stock headers and cats, even it's it's quieter.
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Quote:
Originally Posted by WiggyB
I have to agree with you on this one. I have been running the headers to factory NPP and trust me I love it. Had a fellow rider get the Borla Attack axle back and they swear mines is louder than theirs. I just can't see the need to spend on an axle back at this point the headers did exactly what I wanted.
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Headers in to the stock NPP sounds great! Possibly the best combination with headers.
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SOLD - 2013 1LE - Pat G Spec'd Cam, NPP with 1 7/8" Long Tube Headers with High Flow Cats, Intake w/scoop, Ported Throttle Body, and Apex 1.25" Lowering Springs.
J-Rod Built and Matt@FSP Tuned
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