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Old 27-12-08, 12:14 PM   #1
afcbadam
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i think if you keep the origional manifolds it passes the mot as it has a pre cat attached. if you change these to aftermarker manifolds the pre cat goes. can somebody confirm this or correct me please
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Old 28-12-08, 07:07 PM   #2
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Originally Posted by afcbadam View Post
i think if you keep the origional manifolds it passes the mot as it has a pre cat attached. if you change these to aftermarker manifolds the pre cat goes. can somebody confirm this or correct me please
As Kev said should pass. I've had mine tested twice now and was way under the emissions on both occaisions.
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Old 29-12-08, 03:15 AM   #3
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It's never sad modifiying your princess no matter what day it is.

Seems everyone has bought a de-cat since hearing the sound of the clips from the track day.............
I take it you have never ever been a member on XPF??????

Your claims are unbelievable to say the least

There is guys who decatted in 2001 on XPF and other forums etc
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Old 29-12-08, 07:36 AM   #4
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What's that supposed to mean Paul? seems you have to rub people up the wrong way on here, why?

If you can't say anything constructive then don't bother.
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Old 29-12-08, 04:33 PM   #5
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As Kev said should pass. I've had mine tested twice now and was way under the emissions on both occaisions.
that with or with out OE mani's and a decat???
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Old 03-01-09, 02:31 PM   #6
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that with or with out OE mani's and a decat???
Yeah with OE mannis and de-cat.
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Old 27-12-08, 03:11 PM   #7
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Correct, if you remove the pre cat which part of the downpipes then you will fail an MoT, however if you simply remove the Post-Cat, then you will possibly still fail an Mot, depending what age/mileage your car is, but in most cases they Pass with no problem.
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Old 27-12-08, 04:37 PM   #8
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does anybody have a sketch type pic of the exhaust system as to where/what the parts are.
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Regal Autosport Astra GSI Turbo 304 bhp 356 lb/ft

Thorney motorsport Vectra vxr 305bhp 398lbft

Now its time to build a big turbo MG ZS


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Old 27-12-08, 04:59 PM   #9
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I just passed my MOT this week with the Janspeed monifolds and Janspeed sports cat

the sports cat is for sale by the way
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Old 27-12-08, 05:03 PM   #10
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Originally Posted by Maxxed_Ross View Post
I just passed my MOT this week with the Janspeed monifolds and Janspeed sports cat

the sports cat is for sale by the way
where ross
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Thorney motorsport Vectra vxr 305bhp 398lbft

Now its time to build a big turbo MG ZS


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