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Screamin' Eagle Nightstick 2-into-1 Slip-On Muffler

Part Number 64900220

Finish / Color:  Jet Black

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In Stock Online

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Tuned by the factory for the ultimate combination of rich tone and legal sound levels, this slip-on muffler is the perfect match for your Harley-Davidson® model. The high-flow design of the external diffusion discs produces plenty of low-end guts to get your bike away from the light, and a fat torque curve that gets you quickly around slow-moving traffic.

  • Multiple stainless steel diffusion discs and domed end cap deliver an aggressive raspy sound
  • Feature an embossed Screamin' Eagle® logo
  • Jet black finish
  • Easy to install
  • 50-State U.S. EPA compliant
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Fits '15-later XG models. '17-later models require recalibartion with Screamin' Eagle® Pro Street Tuner (sold separately). Labor cost not included. See Dealer for details.

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  • These Screamin' Eagle® products are 50-state street-legal for sale and use on all vehicles, including those that are pollution controlled. Complies with the requirements of 40 CFR Part 86, subparts E and F.

Note

There is no warranty on exhaust pipes and mufflers with regard to any discoloration. Blueing is caused by tuning characteristics, cam timing, carburetor jetting, over-heating, etc. and is not caused by defective manufacturing.

  • Material Content
    Steel
  • Warranty
    1 year limited warranty - See Customer Service section for details
  • Sold in Unit
    Each
  • In The Box
    Muffler only
Rated 3.5 out of 5 by 2 reviewers.
Rated 4 out of 5 by Not too loud I have listened to several recordings of the sound produced by these pipes. In the end, I have decided to purchase mainly because of the name brand and the fact that they are 100% legal. I do not like very loud pipes. This pipe made my bike sound very nice and people always notice when I start the engine. It does have that specific Harley sound but without being obnoxious. If extremely loud and annoying sound is your thing, look elsewhere. If you want quality sound and a pipe that was specifically tuned for your bike, give this one a try. I have the full stage 1 set including the download and I am pretty happy with it. One thing though: it does pop on deceleration. July 26, 2016
Rated 3 out of 5 by It has great potential... This slip on is only marginally louder than the stocker for the 500. I never thought HD would be into using exhaust diffusers like the ones on this muffler. After removing them, it sounds great... actually, it sounds like a REAL HD. July 20, 2014
  • 2016-10-31 T15:57:18.051-05:00
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7 Questions | 4 Answers

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1 answer

Is this made out of stainless steel?

September 27, 2016
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NJ
I Ride: Street 750
How I Ride: Local - Solo
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Answer: 
Hey JD1988,

The Nightstick mufflers are made out of steel.

Thanks!

Rockstar883
September 29, 2016
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Milwaukee, WI
How I Ride: Local - Solo
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June 16, 2016
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Warranty

Does use of Screaming Eagle parts invalidate the factory warranty on the SG750, or any Harley?
April 16, 2016
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San Diego CA
I Ride: 2015 XG750
How I Ride: Local - Solo
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Diffusers

The dealer that I go to had a SE slip-on installed on an XG 750 and it didn't sound much different than the stock pipe, except for the sound of the air passing through the diffusers. This didn't seem worth the $350 price tag. Your response to another question regarding this product was recommending not to remove the BAFFLE. However, there was a video on Youtube where a guy removed the DIFFUSERS and it sounded perfect. Does this in any way require any calibration of my engine?
March 10, 2016
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Tampa, FL
I Ride: Street 750
How I Ride: Local - Solo
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Answer: 
Hi Ericthered74,

The baffles are there for EPA compliance, if they are removed they will be out of that compliance. Since we haven't done any testing, or validated the removal of the baffles, we can't give out any info in regards to calibration.
March 11, 2016
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Milwaukee, WI
How I Ride: Local - Solo
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Nightstick muffler for 2015 Street 750

My 750 is brand new. Only 60 miles.

1. Do I have to have the ECU and/or EFI reflashed if I install this muffler?

2. If no, will adding this muffler decrease function, performance or reliability?

3. Same questions 1 & 2 above if I install this muffler without the baffles?
January 31, 2016
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Mansfield, TX
I Ride: 2015 Street 750
How I Ride: Local - Solo
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Answer: 
What's up TexCritter,

When it comes to installing just the slip-ons, there's no need to re-cal. Secondly, S.E. is all about performance, so you'll get better performance out of your Street after install. Now, as for taking out the baffles... This will lean out the bike due to decreasing back pressure, so your taking away the performance aspects of the mufflers themselves. And of course, this would be going against EPA and DOT compliance, as the baffles are considered a "Do Not Tamper" part of these mufflers.
February 9, 2016
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Milwaukee, WI
How I Ride: Local - Solo
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