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Hissing exhaust
Recently installed 5" SS Magnaflow from front pipe back. Fairly easy install sounds good and truck seems to respond well to less restriction. So far no codes or any other adverse affects. The only issue is while idling there is a noticeable hiss at the tail pipe. Just curious, Is this normal...?
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thats normal with a vvt, variable vane turbo, the vanes are controlled by the computer and a vane sensor. the tone will change often with these especially when the truck is cold.
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Hissing Exhaust
Dude, Thanks for the info
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when the truck idles up you will notice the hiss becomes quite a bit louder, you will also notice that it makes a hell of a jet engine noise when you lay heavy into the throttle:w2:
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Hissing Exhaust
The hiss sounds more like air leaking. When applying the throttle the turbo whine starts along with the MagaFlow roar. Just wasn't expecting the hiss. Appreciate the info. Thanks...
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personally, I LOVE the sound! I second the VVT comment... Enjoy it!!:c:
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Originally Posted by jbrown1132
(Post 672851)
thats normal with a vvt, variable vane turbo, the vanes are controlled by the computer and a vane sensor. the tone will change often with these especially when the truck is cold.
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Originally Posted by Torque Monster
(Post 772490)
How is EFI Live working out for you :)
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