why so hard to get a 3" downpipe
06 May 2010, 07:31 PM
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why so hard to get a 3" downpipe
doing my head in, i am trying to get a 3" decat downpipe for my classic , alot of ppl advertise as such but they are either not 3" or they taper down to 2.5 inch or less
they say this will then fit a standard exhaust , yeah great but if i want a 3" downpipe dont you think ive got a 3" exhaust already and how many classics haven`t got a 3" exhaust or some aftermarket one any way.
ive just been to see one and it was 3" all the way but the last 1\2 inch reduced to 2.5 - lol - why????
they say this will then fit a standard exhaust , yeah great but if i want a 3" downpipe dont you think ive got a 3" exhaust already and how many classics haven`t got a 3" exhaust or some aftermarket one any way.
ive just been to see one and it was 3" all the way but the last 1\2 inch reduced to 2.5 - lol - why????
06 May 2010, 08:05 PM
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Classics were like 2.25 inches, people changed them to 2.5 or 3 inch, but they replaced the whole system normally, so thats your best bet, if you are mix and matching it will make life quite complicated 
Tony
Tony
06 May 2010, 08:41 PM
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06 May 2010, 09:06 PM
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this is true 3" doesn't taper down to 2.5" the first one on page i know as iv got it and could do with one that does taper to 2.5"
http://www.revolution247.com/exhaust...c-72098-0.html
http://www.revolution247.com/exhaust...c-72098-0.html
06 May 2010, 09:39 PM
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well its an apexi 3" catback which fits the flange off my standard downpipe so i thought should be easy enough to find the fitting and i like my exhaust - ie not too loud............yet
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07 May 2010, 03:46 PM
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I've never known the diameter of the downpipe on mine as i've never taken it off to measure... which part of the pipe do you have to measure to find out? Is it 3" or 2.5" on the outside or the inside?
Might whip mine off in the morning for a quick check
Might whip mine off in the morning for a quick check
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