Harley-Davidson Dyna FXDF Fat Bob Exhaust changes

Starting with a stock 2009 Harley-Davidson Dyna Fat Bob, I was looking for a bit more sound and power to liven things up. Even though I really liked the look of the stock headers, I decided on Samson Legend series’ baloney cut full system, as well as a Ness Big Sucker air cleaner. Both install articles were featured in our 2012 American Iron Garage special. The air cleaner increased the power by 6hp, and the exhaust added one more horse. The decibel level of the new Samson exhaust was too loud for me, though, as I am not a fan of loud pipes that infringe upon others’ airspace. Plus, the vibration in my own eardrums made riding the bike not so much fun. Since they didn’t add much horsepower anyway, I decided to remove them, put the stock headers back on the bike, and instead, try a set of Screamin’ Eagle slip-ons. Well, I’m so happy that I did! The SE’s are a little deeper than stock, with just enough sound output. I haven’t yet taken it back to the dyno, but I’m not concerned with the number anyway. The power response is immediate, and I’m not racing anyone. This Harley has more power than I need. And now it looks and sounds great!

Some people think that the Screamin Eagle parts are overpriced, but they are actually very competitive compared to aftermarket options. These slip-ons were simple to install myself in my own garage.

Check out this video that shows three clips – one with the stock pipes and air cleaner, the next with the Ness Big Sucker air cleaner and Samson pipes, and finally, the last shows the Screamin Eagle slip-ons with the Ness air cleaner. Let me know which you like the best.

Comments

  1. I’m with you Trish screamen Eagle slip ons are a great compromise between bad-ass and boring.

  2. I don’t care about the pipes. I want to know more about the Schittbag you’re wearing! :)

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