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Two Brothers S1R Slip-On Exhaust
Two Brothers S1R Slip-On Exhaust

$424.98 - $650.23
15% Off - Save up to $114.75

Select your bike to see if this exhaust fits
Description See Also: 2 Reviews 2 Questions Fitment Part Numbers
Item #TWO0025

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2 Reviews
5 out of 5 stars
5 Star   2 4 Star   0 3 Star   0 2 Star   0 1 Star   0
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All Reviews
Verified Purchaser
Mathews Co, Va
Ease of Installation 3/5 Performance 5/5 Power 5/5 Style 4/5

I installed it on a 2017 can am spyder & am very satisfied with the sound. Only problem was with the clamp. Had to make & add a sleeve to get a tight fit

Verified Purchaser
Ease of Installation 4/5 Performance 4/5 Power 4/5 Style 4/5

It's a good exhaust system love the sound on a cross plane engine

2 Questions
Answered:   1
Not Yet:   1
Q: 2016 Triumph Street Triple R ABS
1 year 7 months ago
Does 2Bros S1R version comes with a mid pipe to replace the Cat? If not, do you sell a mid pipe or a version so I can run it w/o a Cat. I live in Texas. Ty! -Ray
Q: Allowed in Switzerland?
2 years ago
Is this Exhaust allowed on the Swiss streets? If yes, do I get a paper with the confirmation when I buy the Exhaust?
Expert MotoSport Staff
2 years ago
A: All products sold on are for US models only. We unfortunately do not have product fitment or specifications for non-us models. Any street legal products sold by are designed for US emissions and laws.
See all bikes that this part fits...
See Fitments
# Part Numbers
Product Variant Manufacturer Part #
Carbon Fiber 005-4520405-S1
Carbon Fiber 005-4660405-S1
Carbon Fiber 005-46704-S1R
Carbon Fiber 005-4780405-S1
Carbon Fiber 005-4820405-S1
Carbon Fiber 005-4840405-S1
Carbon Fiber 005-4920405-S1
Aluminum 005-4230409-S1
Carbon Fiber 005-3930405-S1
Carbon Fiber 005-3880405-S1
Carbon Fiber 005-4240405-S1
Carbon Fiber Saddlebag Compatible 005-4030405-S1
Carbon Fiber Not Saddlebag Compatible 005-4040405-S1
Aluminum 005-4010406-S1
Carbon Fiber 005-4010405-S1
Carbon Fiber 005-3840405-S1
Carbon Fiber 005-4220405-S1
Carbon Fiber 005-3910405-S1
Carbon Fiber 005-3860405-S1
Carbon Fiber 005-4130405-S1
Aluminum 005-4190406-S1
Carbon Fiber 005-4180405-S1
Carbon Fiber 005-3580405-S1
Carbon Fiber 005-3980405-S1
Carbon Fiber 005-4260405-S1
Carbon Fiber 005-4160405-S1
Carbon Fiber 005-3850405-S1
Carbon Fiber 005-3920405-S1
Stainless 005-4250409-S1
Stainless / Dual 005-4120409D
Stainless 005-3730409DV
Carbon Fiber 005-4290405-S1
Carbon Fiber 005-4500405-S1
Carbon Fiber 005-4470405-S1
Carbon Fiber 005-4530405-S1