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I fitted a magnex 1, not the best, i think the flanges are out of line slightly, first thing you will notice is the increase in noise as it changes your exhaust note/depth, then the throttle response, i found it alot sharper on pick up and the turbo will spool quicker, from what i have read in the past you are as well getting your original uppipe gasflowed. My mate has the same model and year as myself with very similar mods, only additional on my car is the uppipe and sti top mount but power figures are much the same
The boss in the WRX up-pipe if for the EGTsensor.............it's not there in the STi item.
If you fit the STi up-pipe then you will need a resistor fix in the EGT sensor socket next to the drivers side suspension turret, not allways 100% reliable though.
Might be easier to find a used WRX item and keep the EGT sensor
Like the man said STI will be around £25 Plus P&P.... I've got one !
LOL
DunxC
rip his arm off mate best 25 quid you will spend i know loads of wrxs running sti up pipe(with resistor) with full decat pink injectors vf35 and see 330 bhp all day long.
and i wouldnt bother going for the sti top,way the cost up of the ic(200) plus under tray(120ish) and maybe the scoop plus painting ,either keep the wrx top mount plenty good enough or for future mods grab your self one of those hybrid front mounts for bout 280ish
Last edited by maydew; 24 September 2008 at 11:20 PM.