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Old 27-06-17, 10:16 PM   #62
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Originally Posted by nickh View Post
Could you (or anyone else) give me the 'science bit' on that Rob?

EDIT; Not taking the p*** - genuinely interested.

From my own observation with the Amanco exhaust is it does absolutely cock all to silence the engine and about all it does is stop rain getting in and gives a certain amount of back pressure in doing so.

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