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      12-31-2012, 12:12 PM   #7
Johnny D
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Drives: 2006 BMW 325i
Join Date: Apr 2011
Location: Hot Springs, AR

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2006 BMW 325i  [4.58]
Originally Posted by flinchy View Post
wow you guys have expensive dynos over there lol

i dunno, i'd think paying $1000+ to get performance headers and install would warrant the confirmation they're even doing their job....

There has been confirmation. The OBX headers have been dyno'd and shown gains. Any time you delete a major restriction in the exhaust you'll see gains (cats). I can feel the car is faster. I dont need a dyno to show me something that I already know.
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