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I want to make my stock exhaust louder. I have installed A&R race baffles but did not gut my cat. ? is if I gut the cat will it make my exhaust louder and will I need a power commander? Was thinking about buying a set that is already gutted and trying them out and if don't like put mine back on. Thanks
 

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The cat wouldn’t make noticeable noise difference; A&R will get louder as time goes by. Advance Kawi told me adjustable ECU is better than PC but others may differ.
 

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When I did the A&R mod and knocked out the cat my machine ran nothing like it does with a custom map. On/off throttle response was sooo much better. I also had the BMC and she was running lean.
 

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I did the cat and cut about three inches off the cans for the a&r baffles and it is fucking loud...it sounds really close to the akras the kawi factory race bike has.
 
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