Miata Turbo Forum - Boost cars, acquire cats. - Anyone running a Borla Spec miata exhaust with muffler?

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Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)

- Race Prep (https://www.miataturbo.net/race-prep-75/)

- - Anyone running a Borla Spec miata exhaust with muffler? (https://www.miataturbo.net/race-prep-75/anyone-running-borla-spec-miata-exhaust-muffler-86163/)

btabor

10-08-2015 09:52 AM

I am ready to order the RB system, do you guys know if the cat delete pipe is also 2.375" I saw that Emilio is running the mazdacomp cat delete pipe and I wonder why?
I dont want a 2" bottle neck.
Thanks

SchmoozerJoe

10-08-2015 10:53 AM

Mazdacomp is 2.5" and nicely priced.
Pretty sure the RB maintains the 2 3/8" diameter.

And is a bit more expensive.

I'd grab up a Mazdacomp pipe if I were you. Especially with your boost.

btabor

10-08-2015 11:46 AM

Quote:

Originally Posted by SchmoozerJoe (Post 1273225)

Mazdacomp is 2.5" and nicely priced.
Pretty sure the RB maintains the 2 3/8" diameter.

And is a bit more expensive.

I'd grab up a Mazdacomp pipe if I were you. Especially with your boost.

I just ordered a complete RB setup with the rb cat delete pipe. $599 shipped from racing beat. I don't have turbo anymore just a vvt na swap now. Thanks for all your opinions.

hornetball

10-08-2015 12:41 PM

Quote:

Originally Posted by SchmoozerJoe (Post 1273225)

Mazdacomp is 2.5" and nicely priced.

Are you sure? Thought that SCCA and NASA limited SM exhaust diameters to 2.25"?

emilio700

10-08-2015 01:50 PM

Quote:

Originally Posted by hornetball (Post 1273272)

Are you sure? Thought that SCCA and NASA limited SM exhaust diameters to 2.25"?

You are correct.

rharris19

10-10-2015 01:19 AM

Quote:

Originally Posted by Rogue_LE (Post 1273173)

Robert, I also like to see a pic of the installed spec exhaust.

I won't be by the car for another couple weeks, but I will get a picture for you guys when I am.

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