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is there a major difference between test pipe and hfc? i'm just wondering if its worth it to upgrade to full test pipes and save some money...i'll also throw on
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#20 (permalink) |
Base Member
Join Date: Aug 2009
Location: Cerritos, CA
Posts: 39
Drives: 08.5 mazdaspeed 3
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is there a major difference between test pipe and hfc? i'm just wondering if its worth it to upgrade to full test pipes and save some money...i'll also throw on an o2 extender on my test pipes to avoid throwing a CEL
also, is it hard to see the hfc or test pipes under a 370z? i'm just hoping its being blocked by something so cops can't see it if they look under the car |
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