Thread: X-pipe fun
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      01-14-2013, 03:38 PM   #23
Major General

Drives: 08 E90 M3, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: Concord, NH

iTrader: (3)

Fabspeed sells a few variations. If you are looking at the $795 one that is just the back half of the x-pipe, I would skip it because it leaves the primary cats intact. The primary cats are 400 cell cats and create the most restriction. They are the ones you want to delete. The secondary cats are only 200 cell and are not as restrictive. Fabspeed sells a high flow sport cat option for $1,895 but it is just the front half of the x-pipe. Fabspeed also sells a full x-pipe with high flow cats and resonators for $2,449, but for that much money, you can choose from a number of other options.

The Borla quad resonated x-pipe is a pretty good buy at the price. Also take a look at the options from Challenge for x-pipes. And check the for sale section to see what used x-pipes people are selling.