I installed my stillen CBE, with berk cats, and it hits something under the car, It makes a strange noise when the car is cold -3 to + 5 degres. Once i drive for 10 min it goes away.
With the G3 intake the car sounds great.
When i shift at 7800 it even sounds better.
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 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.
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