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Old 06-01-2011, 07:15 AM
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Leave the cat or no?

Im looking at the 5'' MBRP turbo back. I have no emission testing. Does the MBRP turbo back come with a pipe long enough in the box to delete it the cat or do you have to buy a extra piece?

Also is it better to delete it or keep the cat on a diesel?
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Old 06-01-2011, 08:03 AM
Compression Ignition Addict

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Delete it if at all possible, given that you have no emissions testing, get rid of that sucker.

There's several different kits from MBRP but there's 2 major difference, 1 kit that reuses the stock kitty and one that deletes it.

Since you don't have emissions get the one without the kitty it'll lower your over all EGTs and gives your exhaust a little sweeter tune (IMHO).

I don't know what year yours is, but here's the no cat for an '06:
MBRP Performance Exhaust

And here's the 5" using the stock cat:
MBRP Performance Exhaust
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