Quote:
Originally Posted by Leroydsouza
Hi Flow Cats
You dont need any mods to get an exhaust installed.The exhaust does not need any supporting mods. Once you get the exhaust and you want it to get a little louder or trying to get a little more hp, You can get Test Pipes Or HFC.
HFC may cause rasp, drone Or Check Engine Light. May.
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With all the bolt on exhaust mods, a tune is not needed? I would like to do HFC's too but wanted to wait until I'd do a tune at the same time since I already have FI catback and Stillen intake.