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b5 1.8t exhaust

Old 03-30-2009, 10:47 PM
1st Gear
Thread Starter
Join Date: Jan 2009
Posts: 26
Default b5 1.8t exhaust

I was thinking about running a straight 2.5" pipe down, cat back, to a magnaflow 14816 muffler. Is this a good idea? Will any check engine lights or the sort come on? Horsepower gains?
Old 04-02-2009, 12:38 AM
4th Gear
Join Date: Jul 2008
Location: Long Island, New York
Posts: 3,326

thats what i plan on doing but to a Magnaflow 14862 muffler.. you shouldnt have any lights as long as the o2s are in the cat and connected. you might get a little hp increase. i recommend getting a down pipe as well stock is 2" so if u go 2.5 you will open a lot more for better flow and louder sound.

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