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Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust Problems, advice and/or how tos for Sporster and Buell motorcycle carburators, Electronic Fuel Injection (EFI), Air Intake, Fuel and Exhaust.

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View Poll Results: what do you run
stock 272 16.60%
stock with punched out mufflers 141 8.60%
slip ons with baffles 409 24.95%
slip ons without baffles 115 7.02%
aftermarket with baffles 372 22.70%
aftermarket without baffles 295 18.00%
stock with gronk mod baffles 35 2.14%
Voters: 1639. You may not vote on this poll

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  #411  
Old 12th June 2019
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  #412  
Old 16th July 2019
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The bike came with drag pipes with no baffles. Although it sounded great, it also attracted attention from neighbours in about half a mile radius. I bought a couple of slipons similar to the originals but 3 inches shorter. I also bought a couple of 4" baffles to go in the pipes before the silencer. These proved to be unnecessary. The silencers are 2 1/4 inches whilst the drag pipes were 1 3/4 inches. I found that the standard hanger(bracket) had 1/4 spacers between it and the frame. By removing these spacers the silencers were aligned with the pipes and also sat nicely against the bike. The exhaust note is now reduced and I have happy neighbours. In a way it didn't matter anyway as they only speak French and I only speak English. However, they no longer put their hands over their ears when I start her I must admit I miss the drag pipes.
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