Quote:
Originally Posted by fedinand
There is an exhaust valve/flap that opens up on the 35i exhaust when under heavy load, some folks stick a golf tee or BB in the actuator hose to keep the valve/flap open all the time. It gives your exhaust a more aggressive tone even when you are not "getting on it".
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OK I wonder if my 35D exhaust has it?, if so I will check this out.