MY03 wrx ppp middle exhaust section
02 April 2009, 04:57 PM
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MY03 wrx ppp middle exhaust section
does it have a cat in the middle section, or is the big bulge a resinator box or something? ive ahd the down pipe cat removed and i dont want anything else getting in the way.
02 April 2009, 09:51 PM
#2
the cat removal pipe on a ppp still retains the heat shields so looks the same from a casual glance as the standard pipe, if you are on about the bulge in the long centre section this is a resonator box and this can be replaced with a non resonated centre section, it adds a bit of noise but unsure if it actually makes any performance difference. The biggest restriction if it is a wrx ppp is the cat in the up pipe and this can be replaced with either an sti up pipe or an aftermarket stainless pipe, although allow a fair amount of time if you are fitting this yourself, took me about 4 hours to do up pipe and down pipe due to awkwardness of undoing the bolts and nuts.
Last edited by daz1968; 02 April 2009 at 09:53 PM.
03 April 2009, 10:38 PM
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H&S Up pipe
H&S Centre pipe straight through
If you have the PPP you should already have this short section & backbox
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03 April 2009, 11:04 PM
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Oh yes. Even louder when you ditch the Prodrive backbox like I have & stick one of these on the back :-
Link to prices
06 April 2009, 12:51 AM
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i had a hayward n scott down pipe, custom made straight through center sec and a blitz nur spec back box and i hardly ever heard anything louder. LOVED IT, oh and i made a flamer kit and it worked a treat, and it was 1 which didnt use the coil cut out, got some fooking HUGE flames.
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