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Discussion Starter #1
just installed my stillen headers and noticed the higher noise levels. i also had installed earlier a custom 2.25" catback without a resonator with stillen muffler.

i not experience startup problems...need to crank twoce to keep nmotor running or keep my foot on gas pedal. afterwhich, it idels perfectly. what could be my problem?
 

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You should expect more noise with a bigger exhaust and headers. I noticed that my noise levels went up as I put more mods on my car. If the noise is really loud like you have a leak, check all of the header connections (header to head, secondary to primary, secondary to cat). Also check where the emissions connect to the header and motor.

I can't help with the startup problem, but I would guess once the ECU learns the new header, it'll be fine.

Ben
 
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