What size bolt for factory exhaust manifold to y-pipe?

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02-07-2008, 12:32 PM

senicalj4579

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What size bolt for factory exhaust manifold to y-pipe?

Anyone know what size they are?

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02-07-2008, 01:06 PM

BlackScreaminMachine

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Trial and error since there is a CAT that goes between the Y pipe and exhaust manifold.

It should be a stud, but most break off.

3 Studs from the manifold to factory CAT and I think 2 from the Cat to the Y pipe.

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02-07-2008, 01:24 PM

senicalj4579

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yes they are studs on the manifolds. Whats size nuts do i need?

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02-07-2008, 01:31 PM

hammerdown2000

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15 mm

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02-07-2008, 02:15 PM

senicalj4579

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yup it is a 15mm. thanks

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02-07-2008, 07:16 PM

hammerdown2000

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np man, take care and have fun with that exhaust.

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