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2 inch exhaust with 300+ hp 5.7

Hi Everyone, posting this question here as well as the tahoeyukon forum. Is anyone running 300+ hp through 2 inch down pipes? I have a 97 Yukon with the MPFI upgrade and just recently the 0411 pcm with the Vortec express van tune. what a difference that made! increased mpg by 3 and the engine...
- YukonKyle
- Thread
- Sep 19, 2019
- Replies: 32
- Forum: 96+ Vortec Performance + Computer Swaps
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Bought a 97 two door Yukon and love it!

Here it is when I first got it. I bought some 285 BFG KO2s and plasti dipped the wheels. Now it looks like this. The engine bay smelled like coolant. I researched that and found out about the manifold gasket problem. I'm currently finishing that job as well as the MPFI upgrade. Will...
- YukonKyle
- Thread
- Jun 26, 2015
- Replies: 7
- Forum: Introduction