Question about Harley Davidson XL 1200 C Sportster Custom Motorcycles

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Will taking the baffles out of my 2007 Harley Davidson Sportster effect the engines performance any?

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A motorcycle engine is a finely tuned system. If you change anything on the system it will effect everything else in the system. For instance, if you remove the baffles from your mufflers, it may cause the engine to run lean. You may have to rejet the carb if you do this. You might want to check you state laws as well. In some states (or countries) if you remove the baffles it's against the law. Personally, I'd much rather replace the original mufflers with a set of high performance "slip on" mufflers. The engine needs a little backpressure to run correctly. If you remove the baffles, you may not have enough backpressure on the exhaust system and this can cause a "dead spot" around 55 to 60 mph. The bike's throttle response will be less than normal.

Good Luck

Posted on Apr 10, 2011


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