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Project LSX 4.6is

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#14

12-07-2018, 10:26 AM

bmwman528e bmwman528e is offline

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Join Date: Jul 2011

Location: Livonia, MI

Posts: 228

Quote:

Originally Posted by BigBody

Yep. Pretty sure thats what OP was referring to. When in boost, the cutout opens. When not in boost the cutout is closed. A popular mod, that involves no switches.

Correct. Also keeping it quiet around town and if I'm down on power to 300rwhp out of boost with factory x5 mufflers it will still be plenty fast and once the car starts to build boost the cutouts open thus me having no restriction at all. I still haven't decided that I'm doing this exact exhaust setup but it's definitely one of my top choices.

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2002 BMW X5 4.6is soon to be LSX swapped. Silver on Imola

2003 BMW X5 3.0i 5 Speed Manual, Sport Pkg, 190,xxx miles and counting. Black/ Black 20" 4.6is Wheels, OEM Stainless Steps, ZHP Shift Knob

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