stock resonator but remove valve?

By powerhaulic
November 3, 2016 in Engines & Drivetrain

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powerhaulic

Posted November 3, 2016

I'm thinking cut out stock muffler including valve, replace with 22" magnaflow I removed from my '11 Denali before trading......

I have the complete cat back, but it is short (less wheelbase in Yukon XL)

after examining intermediate pipe on Sierra it is fine, no serious restriction

Magnaflow should slip on and seal with a band clamp

Going to need an extension 6" ish welded on tailpipe to complete

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