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hi can anybody tell if i should put a catless upipe on for my remap i already have 280bhp mods were decat downpipe green panel filter walbro fuel pump i have a vf30 turbo and pink sti injectors sti tmic to fit for next remap with andy forrest cheers in advance
Last edited by peter zippy reid; 23 May 2010 at 08:38 PM.
IMHO uppipe should be the first thing you decat together with the middle pipe. Just having a single normal cat at the end of your downpipe will get you through an MOT and will be enough to see 320-330 from a VF30 and Pinks.
I may be talking rubbish but I thought only the bugeye WRX had a cat in the up-pipe? Ive had a few strongbows so will probably wrong lol.
I've had 1 or 2 magners, and agree with you. Only the bug WRX's had the cat up-pipe. I replaced mine with ported bug STI headers that had no up-pipe cat