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These are great, however I'm leaving 4-stars only because of the pricing. I get that Z1 wants you to buy ...

Install was pretty much plug and play. Just had to swap the senor from my old radiator to the new ...

Install was pretty much plug and play. Just had to swap the senor from my old radiator to the new ...

Thought I may have a defective hot box HOWEVER, I did NOT. The unit does not connect when you only ...

Definitely impressed me, but I wished for some pops and bangs with the tune. ...

Great for expanding your rim selection. On my 05 frontier nismo I had to cut down the stock studs a ...