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Cheap hiflow cat and downpipe ??? a4 b5 FWD

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Cheap hiflow cat and downpipe ??? a4 b5 FWD

Old 08-14-2011, 03:04 AM
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Join Date: Sep 2010
Location: Australia
Posts: 19
Default Cheap hiflow cat and downpipe ??? a4 b5 FWD

Anyone know where I could get a cheap hi flow cat and 3" or 2.5" downpipe for a a4 b5 FWD.
Old 09-23-2011, 02:00 PM
Join Date: Jan 2010
Location: Costa Mesa, SoCal
Posts: 1,973

Personally I haven't seen/heard of any "cheap" choices for these items. I've actually never come across a larger diameter downpipe for the B5 FWD 1.8T... I had to get a downpipe made for Quattro (Miltek 2.5in) and cut it, and have a custom exhaust made up.

Another alternative (NOT cheap) would be to get a high flow cat like the 034 Motorsport (3in) or Techtronics (2.5in) or Labree, and get an APR or similar cat-back exhaust. Basically I just want to point out that I don't think you will be able to accomplish this for a small amount of money.
Old 01-13-2012, 11:17 AM
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Join Date: Jan 2012
Location: pa
Posts: 148

cheap is usually not good and good is not cheap, 42DD uses cheaper coated mild steel which will last maybe 5 yrs, their systems are cheaper$$$, if you want quality 304 stainless is FOREVER, vw + audi OE is usually that, easy check a magnet will not stick to it
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