back pressure exhaust
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back pressure exhaust

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back pressure exhaust
pjb123 Offline
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#1
23-04-2013, 06:14 AM
noticed on my car theres catt and 2 boxes thinking its too restricted
whats ur thoughts on back pressure
thinking of removing catt and centre box willl this increase noise
tia
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ozonehostile Offline
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#2
23-04-2013, 06:49 AM
(23-04-2013, 06:14 AM)pjb123 Wrote: noticed on my car theres catt and 2 boxes thinking its too restricted
whats ur thoughts on back pressure
thinking of removing catt and centre box willl this increase noise
tia

yes. less exhaust restriction also means the turbo spools up faster and you might even gain a few bhp
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'99 306 gti6
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