I think im finally chosen to go with HKS now i started the pursuit of finding good test pipes and headers to combo with it????

Anything knowledge or input helps haha

 

This forum is about headers and test pipes. Read.

 

I have had test pipes with my HKS hi-power and it is quite loud with some rasp around 3-5K, beware. If your gonna get test pipes make sure they are resonated. Like David said, there are plenty of topics on this though, search around, the HKS is one of the most popular exhaust systems.

 

This test pipe works well with your HKS:
https://my350z.com/forum/intake-exhaust/261870-intake-exhaust-rules-faq-you-must-read-before-posting-updated-5-21-07-a.html