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
Current stable
'09 Mercedes E320cdi wagon
'99 306 gti6
'09 Mercedes E320cdi wagon
'99 306 gti6