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Modified stock exhaust for X5M.
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06-05-2014, 09:22 AM
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upstate650
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Drives: 2014 650xi Gran Coupe Msport
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Originally Posted by
zeroboot
Do you get a hp gain with the race cats or better turbo response?
over no cats or over stock?
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2014 BMW 650xi Gran Coupe Msport
Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.
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