Full Decat?
21 August 2003, 12:20 PM
#1
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Forgive me for probably sounding stupid as....
But is this literally what is says? take all the catalytic conv off?
Assuming this is the case, it would fail all emissions tests?
so what do you guys do? do it yourself?
as you may be able to tell im not exactly a mechanical engineer, so forgive my nievity!
Also if this is the case what would doing a full decat do to a standard 03 WRX starting from 222bhp?
But is this literally what is says? take all the catalytic conv off?
Assuming this is the case, it would fail all emissions tests?
so what do you guys do? do it yourself?
as you may be able to tell im not exactly a mechanical engineer, so forgive my nievity!
Also if this is the case what would doing a full decat do to a standard 03 WRX starting from 222bhp?
21 August 2003, 12:48 PM
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Don't know about power on an 03, but I've just done MY00 and it's FANTASTIC. In the region of 250ish, I've been told - need a Dyno run!
MOT time you take it to a friendly scooby place who put a centre pip with cat in it for your emissions test
On the 03 there are 3 CATS. One in the centre pipe and one in the downpipe, like on the classics but there's on in the uppipe now which most people leave in. If you replace the Uppipe with a straight through catless one it brings up a check engine light, but I think most places do something to the ECU for about £80 which turns it back off. So if your check engine light comes on for something serious you realise it!!
Oh and it's LOADS louder too
MOT time you take it to a friendly scooby place who put a centre pip with cat in it for your emissions test
On the 03 there are 3 CATS. One in the centre pipe and one in the downpipe, like on the classics but there's on in the uppipe now which most people leave in. If you replace the Uppipe with a straight through catless one it brings up a check engine light, but I think most places do something to the ECU for about £80 which turns it back off. So if your check engine light comes on for something serious you realise it!!
Oh and it's LOADS louder too
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