exhaust downpipes

2.7 V6 30v biturbo - 380 bhp
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chiefmechanic
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exhaust downpipes

Post by chiefmechanic » Sat May 14, 2011 12:48 am

Does anyone know if i take the cats out of my downpipes will the engine pass the emissions test. brian :audibash:

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stumpyrs4
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Re: exhaust downpipes

Post by stumpyrs4 » Sat May 21, 2011 1:25 pm

If you only take out the pre-cats, it will pass. If you take out the other cats it probably wont.

Unless of course you know a friendly MOT tester ;)
B5 S4 Saloon Widebody Track Car.
B5 RS4 - now sold.

sprintevo
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Re: exhaust downpipes

Post by sprintevo » Tue May 24, 2011 6:21 pm

What is the best way to remove the pre cats?

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