Vibrant Performance Exhaust

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Originally Posted by BMWCurves

I know next to nothing about exhaust and gas dynamics, but the 2.5" inlet is a smaller cross-sectional area than the two 2" exhaust pipes leading into the 2.5" muffler (~19.62 inches² vs. ~25.12 inches²). I would assume that would create some back pressure, but as I said, don't really know gas dynamics. The 3" (1149) has a cross section of ~28.26 inches², greater than the two inlet exhaust pipes.

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Sounds good. I was just going by what Bryant and bosszhp went with. Oh and hopefully I will have a 1148 by this weekend as well :)

I'm with Will, and am no expert with exhaust and gas and back pressure and everything. I just went with the 1148. That being said, I'm not sure what the difference with back pressure would be between the 1148 and the 1149.

Man, this thread was a great help for a close friend who chose to go the Vibrant route on his Imola ZHP. He's so happy with his decision. I can't get over how good the muffler/tips look with the ZHP diffuser!

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Originally Posted by FL116

I'm with Will, and am no expert with exhaust and gas and back pressure and everything. I just went with the 1148. That being said, I'm not sure what the difference with back pressure would be between the 1148 and the 1149.

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Thanks Bryant. Slater helped me find a BNIB Vibrant 1148 locally at a good price, which I will hopefully pick up this weekend. Looking forward to some exhaust 'vroom' :)

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Originally Posted by anandoc

Thanks Bryant. Slater helped me find a BNIB Vibrant 1148 locally at a good price, which I will hopefully pick up this weekend. Looking forward to some exhaust 'vroom' :)

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Good! Make sure you take out the second res! And thanks KS to Peter for the find!

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Originally Posted by MiniD

Man, this thread was a great help for a close friend who chose to go the Vibrant route on his Imola ZHP. He's so happy with his decision. I can't get over how good the muffler/tips look with the ZHP diffuser!

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That's great! I love that I actually started a "trend" and people are enjoying I very much! Everything about this setup is just so goooooood!

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Originally Posted by FL116

That's great! I love that I actually started a "trend" and people are enjoying I very much! Everything about this setup is just so goooooood!

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Excellent! Thanks for the contribution... :thumbsup

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Originally Posted by FL116

I'm with Will, and am no expert with exhaust and gas and back pressure and everything. I just went with the 1148. That being said, I'm not sure what the difference with back pressure would be between the 1148 and the 1149.

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-200 hp, clearly :p

I'm going to need a lot of stickers lol

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Originally Posted by BMWCurves

-200 hp, clearly :p

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Originally Posted by FL116

I'm going to need a lot of stickers lol

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I've got 2 Mafia stickers and a Paul Walker sticker so I'm at at least +100hp over stock [emoji38] That ECS Tuning banner is good for some lost hp Bryant, just get a Mafia sticker now!