05-09-2016, 12:21 PM
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#40
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Senior Member
Join Date: Jul 2014
Drives: 2020 Hakone
Location: London, Ont
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Quote:
Originally Posted by brandonblt2
Yes you need a tune. I won't necessarily void your warranty unless the dealership can prove that it caused the issue, if you go catless it is illegal since you are tampering with a emissions device. Your car will be louder and depending on whether its catted or cattless will determine the overall loudness. Cattless will be louder vs catted but both will increase sound but it shouldn't be crazy loud. Most consider JDL, Tomei, Grupple-S, and HKS to be quality headers. The factory only sells the stock header you already have.
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