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      12-30-2009, 10:04 PM   #7
midlife
ocasionally in crisis
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Drives: '08 335i cabrio
Join Date: Jun 2007
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Quote:
Originally Posted by cn555ic View Post
I have AT and no cats with CP-E exhaust, and it does rasp a little in lower rpms when you hit the gas in D mode from a sudden throttle modulation like when you want to pass someone...Other than that there is no rasp exhibited in DS mode, but I just ordered some Vibrant (1792) resonators to be added to the exhaust system to see if its gets rid of it all together...I would think catless dp and secondary cat delete with OEM exhaust would show little signs of rasp IMO

Thanks man. Any idea what the 2 secondary cats weigh ?
I have an e93 also And looking to cut weight.
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