CW downpipes on UK TT

[JohnK]

Ive read other posts on the subject of CW downpipes but most seem to be concerning J spec cars. Im thinking about getting the front cat pipe replaced, cant be bothered with swapping in and out every MOT (been there done that ) and what I really want to know is how much difference will it make to a UK car?

Does it raise the boost? UK cars dont suffer creep? Can I expect a noticable rather than a preciveable gain?

 

Ill call the man himself as soon as the weekend is over, just want some info to be getting on with.

[Chris Wilson]

No boost creep problems with the UK turbos, in 90% of J-spec engines none there either, and the fix is simple.

 

Removing the first cat will certainly make a noticable difference but you REALYY should remove BOTH cats. To refit the second cat is a 15 minute job tops. With both removed the engine is a different beast.

[Keith C]

Agree with that - when I stuck my no.2 cat back in, even on the very short drive to the MoT station it felt like someone had removed my turbos, ugh ugh ugh.

[Ian C]

15 minute job if you've got a ramp, that is - took me about an hour, blasted thing, plus I was wriggling about under the car with a severely sunburnt back. Not pleasant. Engine sounded great afterwards as I forgot to re-tighten the bolts after removing the scissors jack from the centre section, so it blew like a V8.

 

Where's my restrictor plate?

 

-Ian