Two Brothers S1R Black Series Slip-On Exhaust

Two Brothers Racing: S1R Black Series Aluminum Exhaust

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Rating: 5 out of 5 stars
5 Reviews
4 Questions
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Product Details
The S1R exhaust is a state-of-the-art product from Two Brothers Racing. The system features an T6 aluminum or carbon fiber canister highlighted by a natural finished aluminum outlet and stamped spring-mounted inlet for ultimate durability.

The S1R exhaust from Two Brothers Racing showcases a race design while increasing all-around performance.

Comes with all necessary hardware, tubing, instructions for installation.
- S1R Black Series Slip-On exhaust.
- T6 aluminum or aerospace high-temp carbon fiber canister.
- Teflon-coated magnesium end-cap.
- Stamped spring-fit inlet.
- Aluminum CNC-machined outlet.
- Rubber-lined, styled mount.
- Spiral-wound perforated core.
- Accepts P-Series sound reduction tips (sold separately).
Two Brothers Carbon:
All of the Two Brothers carbon parts are made with a high-temp aerospace-grade epoxy resin. The carbon fabric is made with a 33 million modulus carbon tow then impregnated with the high-temperature resin under very tight tolerances.

Note:
Two Brothers Racing Products are for closed course competition use ONLY. Not intended for street use.
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Two Brothers S1R Black Series Slip-On Exhaust Review
4 Questions about the Two Brothers S1R Black Series Slip-On Exhaust
Fitment

# Part Numbers for the Two Brothers S1R Black Series Slip-On Exhaust

Product Variant	Manufacturer Part #
3K Carbon Fiber	005-4220405-S1B, 005-4840405-S1B, 005-5050405-S1B, 005-3850405-S1B, 005-4820405-S1B, 005-5060405-S1B, 005-1420405-S1B, 005-1920405-S1B, 005-3860405-S1B, 005-3930405-S1B, 005-4180405-S1B, 005-4470405-S1B, 005-4500405-S1B, 005-4660405-S1B, 005-4160457-S1B, 005-4240405-S1B, 005-4780405-S1B, 005-4920405-S1B
3K Carbon Fiber / Dual	005-3160405D-S1B
3K Carbon Fiber/Cat-Delete	005-4260405-S1B, 005-4290405-S1B, 005-4530405-S1B
Aluminum	005-4500406-S1B, 005-4260406-S1B, 005-4160406-S1B, 005-3850406-S1B, 005-4240406-S1B, 005-3910406-S1B, 005-3860406-S1B, 005-4220406-S1B, 005-4180406-S1B, 005-3930406-S1B, 005-4470406-S1B, 005-3880406-S1B, 005-4530406-S1B, 005-4660406-S1B, 005-4920406-S1B, 005-4780406-S1B, 005-4820406-S1B, 005-4840406-S1B, 005-5060406-S1B, 005-1920406-S1B, 005-5220409-S1B, 005-5230409-S1B, 005-1420406-S1B
Aluminum / Dual / Cat Retained	005-1930406D-S1B
Carbon Fiber	005-4160405-S1B, 005-3910407-S1B

WARNING: This product contains chemicals, including (Glass wool fibers (inhalable and biopersistent)), known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.

Two Brothers S1R Black Series Slip-On Exhaust

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Two Brothers Carbon:

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