Do DHM exhaust cutouts leak?

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09-07-2008, 05:20 PM

AWD2KS4

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Do DHM exhaust cutouts leak?

Im thinking of putting it right after the cats, just use one so it bypass's my resonator and muffler? Will i see any gains?

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09-07-2008, 05:22 PM

papuc (MMI S4)

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from my understanding ALL cut outs leak.

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09-07-2008, 05:25 PM

pink shrimp

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I have them and I cant really hear anything leaking.. so at least not audibly

fwiw they were the best I could find. Other ones had visible leaks even when they were closed! At least the DMH's look completely closed when theyre closed

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09-08-2008, 06:10 AM

Hal_TT::CBP

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All cutouts leak if you have a muffler or restriction downstream. Put caps on them with

wingnuts/bolts for quick removal if you want them sealed.

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