OP, give Tony at Fast Intentions a call. Great guy that can answer your questions. Picked up my non-res CBE and LTH's from him last year. Quality is top notch and the customer service is excellent. Also, you do not need a tune if the test pipes are made with the O2 sensor extensions (many are made this way). I ran with LTH's (basically headers and tp's all made as one piece) without any problems without a tune.
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'11 370Z Nismo #528 Fast Intentions | Stillen | Motordyne | Uprev | CSF | Zspeed | Z1 Motorsports | AST | Swift | SPC | SPL | Whiteline | Hotchkis | Bride | Schroth | Robispec | Cusco | Nismo | Volk | Forgestar | Hoosier | RJM
'17 Titan Bone Stock
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