Quote:
Originally Posted by Varelco
How many people are running this header with a complete exhaust system on the stock map? I currently have a Perrin 2.5" resonated catback mated to a Fujitsubo decatted dual resonated front pipe and have been thinking for a while about getting this header to go along side this set up. The thing is I want to avoid remapping for warranty reasons, last time I had my car on the dyno the AFR looked nice a healthy.
Another thing is noise, does the volume increase much with the header attached to aftermarket exhausts? I love the level of noise now, I wouldn't want it to get much louder.
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If your modifying your car and worried about warranty. You're doing it all wrong. Even w/ a catted header. It will throw a CEL and your car will run like shit w/o a tune.
To answer your other question. I had this header with a full perrin exhaust and I loved it. It was deep and didn't sound raspy.