Quote:
Originally Posted by steven88
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
|
I really can't see the benifit of test pipes on the 370z, the extra 2-3hp in the upper rpm range is just not worth it. HFC's will get you nice 10-15 HP gains, are not as raspy, and clearly look more stock on any visual inspection. Unless your out tracking the car every weekend, go with HFC's.
