The backpressure of the original 2CV exhaust is to much. That's why the backpressure (as this is called) starts to reduce power from 650 ccm and 6,8 mm camshaft upward. This is the limit. Over this level an improved exhaust is usefull and recommended.
The "Free Flow" exhaust system comprises the following components:
Under development, limited edition. Please put in your order in advance.
Comprising:
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