best exhaust for an S/C?

NYBladeZ

I don't think they use the exhaust snorkel anymore, some shops check for a cel and run an obII test, if it comes clean you should be good to go. Plus, if you go to the right shop $50 will get you a free sticker.

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2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold
2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

370Zsteve

How would it pass a test with no cats? Dubious shops excluded of course.

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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.

m4a1mustang

You could always weld the factory shields from the stock cats around the test pipes to help with visual inspections (I'm pretty sure everyone does a visual).

With my VRS X pipe I bought two cheap cats, gutted them, and JB welded them around the X pipe... it looked like it was a catted X pipe and the welds actually held up for quite a while.

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- Steve

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