Duramax lbz 435hp 750ftlbs

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Uploaded by on Oct 6, 2008

ppe level 4
7" grand rock w/ 4" turbo back
78202 on stock tranny

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Autos & Vehicles

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  • likes, 1 dislikes

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Uploader Comments (sootchuckers)

  • I'm switchin to a 5" inlet Y-pipe and 5" underneath

  • cause the inlet of the y-pipe is 4" & the y-pipe itself is 5". goin down the road it isnt as bad, but sittin still it looks gay. It pisses me off enough that im changin to 5" over the winter. The silver one has 5" and the smokes even.

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All Comments (7)

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  • diesel backfire???? never heard that before, nice truck though

  • i really wouldnt reccomend it. i have a 110 horse chip, dual 4" exhaust and cold air intake on mine and i can slip my trans if im not being careful. and mines prolly only puttin down 330-350 at the wheels

  • would my stock tranny be okay with 426hp? i got a 02 duramax

  • mine does the exact same damn thing. It really drives me crazy! I've been considering going back to straight pipe.

  • Why did most of the smoke come out the left stack?

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