Chris NottSky Insurance
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  1. #1
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    downpipe&decat information

    hi all maybe a silly question but ive been looking for the answer for a good half hour now so thought i would just ask you lot. im going with a new downpipe and decat now 3" and i was just wondering if the decat was also 3" and how it would mate upto a 2.5 or 2.75" exhaust once the cat meets the rest of my exhaust..probably a silly question and im sorry for asking haha. any help is great

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  3. #2
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    think ive answered my own question now looking at most downpipe and decat packages the decat gets slimmer at the exhaust end

  4. #3
    A3-Lee's Avatar
    2nd Gear

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    downpipe&decat information

    Correct joe it tappers down

  5. #4
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    My other car is a MINI!!!!

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    the downpipe is 3'' the whole way mate, then the decat section reduces from 3-2.5-2.25 to work with the standard exhaust.

    If you ever upgrade to a 2.5'' catback system you can cut the 2.25'' section out and replace it with a bit of 2.5'' pipe to keep the diameter the whole way through
    -------------------------------------------------------------------------------------------------

    Prawns TFSI Turbo'd 1.8T Track Car

    But I know nothing so ignore me.

  6. #5
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    thanks buddy's

 

 

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