Panel filters and removal of cats
27 July 2009, 11:27 PM
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Panel filters and removal of cats
Evening all,
Two questions for you guys...
Firstly, I have an 02 bug WRX, and I currently have an Afterburner Vortex back box with the remainder of the system being stock. I want to free up some extra bhp, and get a more evil noise, and am considering purchasing the afterburner vortex de-cat mid-section. I think there are 3/4 cats throughout the system, so will this removal give me problems come MOT time??
Secondly, I am looking to source a really good panel filter to replace the stock item....one which genuinely aids performance (not just spurious claims!)...any ideas??
Cheers!
Two questions for you guys...
Firstly, I have an 02 bug WRX, and I currently have an Afterburner Vortex back box with the remainder of the system being stock. I want to free up some extra bhp, and get a more evil noise, and am considering purchasing the afterburner vortex de-cat mid-section. I think there are 3/4 cats throughout the system, so will this removal give me problems come MOT time??
Secondly, I am looking to source a really good panel filter to replace the stock item....one which genuinely aids performance (not just spurious claims!)...any ideas??
Cheers!
27 July 2009, 11:33 PM
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A panel filter won't really make you anything meaningful in the grand scheme of things. The car should pass the MOT with one CAT, there's one in the up-pipe, downpipe and section directly after downpipe.
Remove the mid section CAT and downpipe CAT(or get a sport CAT) + remap will see you 270-280 bhp and 300 lb/ft.
Remove the mid section CAT and downpipe CAT(or get a sport CAT) + remap will see you 270-280 bhp and 300 lb/ft.
28 July 2009, 12:09 AM
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If you are looking to change the exhaust why not change the whole thing and buy a DP with a sports cat? TSL ThunderCat is good and then De-cat the center, this will free it up a bit more mate, might as well get the most for your mapping cost! (car will pass MOT with just this downpipe, mine did a few weeks ago)
Panel filter.... take ya choice, none of them do anything better than the others I don't think but the main choices appear to be K&N or Green panel filter.
Panel filter.... take ya choice, none of them do anything better than the others I don't think but the main choices appear to be K&N or Green panel filter.
Last edited by Stealth; 28 July 2009 at 12:10 AM.
28 July 2009, 01:53 AM
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Hi - My old Sti 02 UK had both the Vortex parts you are going to get, passed MOT's no problem, My WRX 02 JDM currently have a Firestorm back box and decat centre section from TSL with TSL/Green Filters hybrid group N job - great stuff and works well
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