Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      08-08-2010, 06:58 AM   #361
dr.zed
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Drives: 85 325e
Join Date: Aug 2010
Location: Greater Toronto Area

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Guys the Vettes had this as an option on the LS2 to give it an extra 6 HP (430 to 436). Also the Z06 has this exact same setup. I haven't heard any ill effects of driving it open all the time.
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