Newage decat
29 March 2009, 08:11 PM
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Newage decat
Hi, I have an 03 blobeye WRX with a racebox backbox fitted. I was wondering if in your opinions it is a worth while mod to replace the 2nd cat and centre exhaust with a straight through section and a k+n panel filter. If yes what potential problems can I get as I have read about gas sensor lights coming on. As you can probably tell I am new to all this but fancy more power.
Then a remap which I beleive will need to have a license for? 
Thanks in advance for replies.
Then a remap which I beleive will need to have a license for? Thanks in advance for replies.
29 March 2009, 08:50 PM
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If you plan to remap, then yes decat the centre section, i you want to keep it MOT friendly, get sports cat for the downpipe too. Remaping is ~£600 for an ECUTek license, forget the license bit, it's all included.
30 March 2009, 02:56 PM
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30 March 2009, 05:14 PM
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i removed the 3rd cat and noticed a slight gain, then i removed the second (downpipe) cat and noticed a very big gain, the turbo spools a lot quicker but i do get a bit of fuel cut when driving hard, but the cel light has never come on.
30 March 2009, 10:14 PM
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31 March 2009, 01:49 AM
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I did this with my MY03 PPP Stealth Wagon which will give you an idea of what results you may get.
Hayward & Scott 100 cell high flow down pipe (only 2 BHP loss over decat pipe & MOT friendly)
H&S Up pipe
H&S Centre pipe straight through
I already had the short centre section from the PPP & changed the PPP Backbox to a Blitz NUR Spec S
Followed by a Tek3 re-map with Pat Herborn to get everything flowing nicely.
290bhp up from 252bhp
275lbft up from 263lbft
Boost 1.3bar up from 1.2bar.
I am a happy bunny
My missing sensor CEL light was sorted out by the map.
I am not sure where you live but I am in Essex & booked my map through Xtreme @ Boreham.
There is a guy in Kent, Simon, that has very good feed back on his mapping & several of the ESC have used his services :-
https://www.scoobynet.com/traders-co...r-limited.html
To get the most value for money out of your changes & to keep the engine safe you must get a remap as funds will be even tighter if you blow your engine.
Hayward & Scott 100 cell high flow down pipe (only 2 BHP loss over decat pipe & MOT friendly)
H&S Up pipe
H&S Centre pipe straight through
I already had the short centre section from the PPP & changed the PPP Backbox to a Blitz NUR Spec S
Followed by a Tek3 re-map with Pat Herborn to get everything flowing nicely.
290bhp up from 252bhp
275lbft up from 263lbft
Boost 1.3bar up from 1.2bar.
I am a happy bunny
My missing sensor CEL light was sorted out by the map.
I am not sure where you live but I am in Essex & booked my map through Xtreme @ Boreham.
There is a guy in Kent, Simon, that has very good feed back on his mapping & several of the ESC have used his services :-
https://www.scoobynet.com/traders-co...r-limited.html
To get the most value for money out of your changes & to keep the engine safe you must get a remap as funds will be even tighter if you blow your engine.
31 March 2009, 05:41 PM
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