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True-Dual Flowmaster 40 Series

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Uploaded by on Dec 23, 2008

Heres my '89 GMC Sierra, 5.7l 350v8, 5spd, Flowtech Longtube Headers, True-Dual Flowmaster 40 Series, with 2¼" Pipes finished off with 4" Magnaflow SS Tips.

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Autos & Vehicles

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Uploader Comments (kmartin69)

  • your getting to much flow out of your left exhaust pipe. the right isn't getting enough.

  • Yeh its because it has a leak on the right header, i have the new gasket, just havent installed it yet.

  • Sounds nice but youll fuck up your engine reving like that on a cold start...

  • It was NOT a cold start. Trust me, i know better then to rev it like that on a cold start.

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  • @STEFFLERGREANYA thats not true at all, most dual exhaust systems save you gas because the truck can breath more and isnt under the pressure of one pipe so alot of the time duals can be better on gas

  • do u have a cat converter

  • A true fucking gas sucker the duels always suck more fuel then the singles so fuck on those apples assholes

  • do u have cats and is it carbureted or fuel injected

  • do you know what degree the tailpipes dump?

  • did u even let it warm up?

    dam

  • You need ta get that exhaust hanger fixed;)lol. Nothin better than the sound of dual 40's though....that's the best sounding setup a silverado can get;)

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