Quote:
Originally Posted by AMG10
I'd like to ask you something. If all I change is the headers and keep rest stock W208 2001
how much would I lose?
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The only mod done prior to the headers was high flow 2nd cats, the rest of the entire system is bone stock so they results may be a few HP less than that but still relatively close. The headers are by far the most restrictive part of the OEM exhaust system, 2nd cats being next. Upgrading will significantly transform the way the car performs while still remaining street legal (well at least 49 state legal at a minimum) and providing a high quality exhaust sound.
Hope that helps.
~AMS~