Two Brothers S1R Black Series Slip-On Exhaust Triumph Street Triple / R 2013-2017
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  • Two Brothers S1R Black Series Slip-On Exhaust Triumph Street Triple / R 2013-2017 - Aluminum
  • Two Brothers S1R Black Series Slip-On Exhaust Triumph Street Triple / R 2013-2017 - Carbon Fiber

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MSRP
$474.98 - $619.98
Savings (15%):
$71.25
Price
$403.73

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Two Brothers S1R Black Series Slip-On Exhaust Triumph Street Triple / R 2013-2017 Videos

Two Brothers S1R Black Series Slip-On Exhaust Triumph Street Triple / R

The Two Brothers S1R Black Series Exhaust takes the state-of-the-art S1R design to the dark side with black billet aluminum inlets, stealthy TBR badges and Two Brother's signature carbon fiber weave. The S1R produces that deep and throaty sound that TBR is known for thanks to their spiral-wound perforated core technology. The rubber lined natural finished aluminum muffler clamps feature an aggressive angular design and cutouts to reduce weight. The mid-pipe is constructed from .035” thick 304 stainless steel. After a few heat cycles the 304 steel turns a golden amber color, the hallmark of quality stainless. Of course an exhaust can't be all show and no go, that is why the S1R exhaust is track tested and dyno tuned to offer the best performance package.

Features:

  • Aerospace high-temp carbon fiber
  • Stamped spring-fit inlet
  • Optional P1 and PX1 sound inserts available (sold separately)
  • Optional anodized bolts kits available (sold separately)
  • Made in USA
Unit Stock Exhaust Two Brothers Max Gain
Max Power HP 95.15 97.45 + 2.3
Max Torque ft-lb 46.11 46.74 + 0.63
Weight lb 7 4 - 13
Sound Level db 98 112 + 14

Note: Muffler image for reference only. Actual S1R Black Series muffler will vary slightly depending on your bike's make and model.

4 / 5
Bang For The Buck
4 / 5
Features
4 / 5
Style
4 / 5
Ease Of Install
4.7 / 5
Fit & Finish
4 / 5
Durability
4.7 / 5
This Product Fits:
Triumph
Street Triple 2013, 2014, 2015, 2016, 2017
Street Triple R 2013, 2014, 2015, 2016, 2017
Product Style RevZilla Item # Manufacturer Product # Availability
Aluminum 1139507 005-3980406-S1B In Stock: Ships within 24 hours
Carbon Fiber 1084150 005-3980407-S1B In Stock: Ships within 24 hours

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4.0 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
1
1
1
0
0
Bang For The Buck
4.0 / 5
Features
4.0 / 5
Style
4.0 / 5
Ease Of Install
4.7 / 5
Fit & Finish
4.0 / 5
Durability
4.7 / 5
Bang For The Buck
4 / 5
Ease Of Install
5 / 5
Durability
5 / 5
Check out my riding video!
This exhaust was really easy to install and makes my Triumph Street Triple actually sound like a bike. It has a great throaty tone and highlights the pops and gurgles which I can't get enough of.

I will, most likely be purchasing the insert to tone the volume down. I commute on this bike all the time and don't want to be deaf in the next year. If I was just a weekend warrior looking to show off I'd totally just leave it as is, but I've resorted to wearing earplugs because I spend much more time on my bike than that.

I have a couple videos on Youtube posted for the exhaust. Please check out the riding video below and from there you can find the Installation video I made as well.

Thanks!
March 21, 2016
Ride:
2013 Triumph Street Triple
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
Durability
5 / 5
Great slip-on sounds like a beast
I love the exhaust its deep and loud , drawback maybe two loud for my neighborhood I will promptly invest in the px1 insert, I ve read its a quick solution to the backfire instead of the fuel controller. All in all I love the sound and look of the sr1 black series.

P.s. The picture is horrible sorry
February 18, 2016
Ride:
2015 Triumph Street Triple R
Bang For The Buck
3 / 5
Features
4 / 5
Style
4 / 5
Ease Of Install
4 / 5
Fit & Finish
4 / 5
Durability
4 / 5
Deafening
I couldn't justify a new arrow exhaust after a crash. It was just too pricy. I decided one a two brothers after really liking it on one of my previous bikes.

This exhaust is EXTREMELY loud. I wear ear plugs and it still gives me a headache on the high way. I even installed the P1X tip and it has done nothing. I now have to try to recoup some money. I rode with it once and I removed it and put the old crash exhaust back on.

Besides how loud it is, it does sound and look nice. If you want a loud bike, then this is for you. It look me about 15 minutes to install.
June 4, 2017
Purchased
4 months ago
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Do these come in a set or each?
A shopper on Mar 13, 2016