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Chrome Round Twin Slash Slip-On Mufflers - 16672

  • Part #:
    4409366
  • Mfg Part #:
    16672
  • OEM/Ref#:
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Chrome Round Twin Slash Slip-On Mufflers - 16672

  • Part #:
    4409366
  • Mfg Part #:
    16672
  • OEM/Ref#:
Price: $449.99
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Vance & Hines Chrome Round Twin Slash Slip-On Mufflers - 16672
  • This series of slip-on mufflers for touring models incorporates the best of Vance & Hines and redefines performance, looks and price with a distinctive style and unmistakable sound that is only available here
  • Rounds offer a large 4-inch diameter muffler body with an all-mechanical straight through louvered baffle
  • 2-into-1 version was designed specifically to work with the new 2-into-1s on 10 Road Glide and Street Glide; features a large 4-inch, stepped to 4 1/2", muffler body that uses an all new maintenance-free baffle that also minimizes heat discoloration and provides the perfect blend of sound and power gains
  • All feature the new signature Twin Slash end treatment
  • Sold in pairs unless noted
  • Made in the U.S.A.

 



Included Items:

(1) Chrome steel right muffler assembly

(1) Chrome steel left muffler assembly

(1) 2" Band clamp

(1) 2-5/8" Band clamp

Instructions



The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specifications
Part #: 4409366
Mfg #: 16672
Color Chrome
Style Bologna/Slash-Cut Tip
Type Slip-On/Muffler
Units Pair
Weight 23.90 lbs
Alternate/OEM Part Number(s):
18011070
Resources & Manuals
Fitment for Vance & Hines Chrome Round Twin Slash Slip-On Mufflers - 16672

Part 4409366 fits the following machines

Harley-Davidson
  • Electra Glide Police - FLHTP 2017-2018
  • Electra Glide Standard - FLHT 2019-2020
  • Electra Glide Ultra Classic - FLHTCU 2017-2019
  • Electra Glide Ultra Limited - FLHTK 2017-2020
  • Electra Glide Ultra Limited CVO/SE - FLHTKSE 2017-2020
  • Electra Glide Ultra Limited Low - FLHTKL 2017-2019
  • Road Glide - FLTRX 2017-2020
  • Road Glide CVO/SE - FLTRXSE 2018-2019
  • Road Glide Limited - FLTRK 2020
  • Road Glide Special - FLTRXS 2017-2020
  • Road Glide Ultra - FLTRU 2017-2019
  • Road King - FLHR 2017-2020
  • Road King Special - FLHRXS 2017-2020
  • Street Glide - FLHX 2017-2020
  • Street Glide CVO/SE - FLHXSE 2017-2020
  • Street Glide Special - FLHXS 2017-2020
Reviews & Questions
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Browse 3 questions Browse 3 questions and 8 answers
can these be installed on the stock headers with no fuel or air modifications?
Wil... on Nov 8, 2016
BEST ANSWER: It is very possible yes. I recommend contacting Vance & Hines for accurate information on necessary rejetting or remapping requirements with this item.

http://vanceandhines.com/contact/
Are baffles included with these mufflers?
A shopper on Nov 12, 2017
BEST ANSWER: Yes they come with baffles. I have a set on my 2017 Road King but I'm disappointed with the sound. They are not as loud as I expected from Vance & Hines. Vance and Hines told me these are the loudest ones they have for the Milwaukie 8.
do I need to put a tuner on the bike to put these on ?
bruce p on Aug 14, 2017
BEST ANSWER: Are you also replacing the headers and getting rid of the cat? IF so you will probably be running a bit lean. You can get away with a stage 1 download from your harley dealer.
4.8 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
3
1
0
0
0
Finish
5.0 / 5
Fit
5.0 / 5
Performance
5.0 / 5
Styling
5.0 / 5
Value
5.0 / 5
Loudness
Very Quiet
Average
Very Loud
Would you recommend this product?
Yes (4)
Finish
5 / 5
Fit
5 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
I like Vance and Hines products and this will work for me.
I was looking for a little throater pipes then the stock pipes that came on my CVO Limited. I liked the look of these and am pretty happy that they aren’t real loud but the have some throat to them.
January 29, 2018
Purchased
over 2 years ago
Finish
5 / 5
Fit
5 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
Great product for a great price.
Good sound, and improved performance.
May 1, 2017
Purchased
over 2 years ago
Finish
5 / 5
Fit
5 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
Nice fit and look
But they are a bit quieter than I was hoping for. I'm considering pulling the baffles and unwrapping them.
August 15, 2017
Purchased
over 2 years ago
Finish
5 / 5
Fit
5 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
good
July 25, 2018
Purchased
1 year ago