Quote:
Originally Posted by CWI
I have ARH 1 7/8" x 3" and have no issues with them at all. I got in on the very first group buy of these headers in 2009. Actually had the headers before my Camaro. Only problem is discoloring which is normal on any non coated header, and the O2 sensor problems post cat. That is also inherent on most any header with high flow cats.
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The ARH LT's will require tuning, this will eliminate any O2 sensor post cat issues that may arise.