BERK: Test Pipes vs. HFC
Can someone give me a quick run down on the differences in sound, HP gain, preference, etc...
Just looking for some feedback from anyone that has had experience with both. I want to start modding but haven't decided on what direction. I figured I'd play around with a few of the lest costly mods while I get a feel for the Z. Right now I have a fully stock touring sport 6MT.
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