Part notes
- PART #1811-4052 must be combined with either PART #1812-0325 link pipe for mounting on stock headers or PART #1812-0324 link pipe for mounting on the header set from the PART #1810-2344 Evolution Line kit.
- Evolution line PART #1810-2344 or Racing Line PART #1810-2758 (the collector and headers with associated fitting material (flanges, springs, inner sleeves and lambda plugs - please refer to schematics of the mentioned systems)).
- Fitting kit PART #1861-1254, including the muffler bracket and clamp, must be ordered and purchased separately to install PART #1811-4052.
Part notices
- Part has notes
- Emissions-related
Warning
DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles. See important emission definitions and regulatory compliance and warranty information.
Fitment disclosure
and
General safety warning
POSITION NOTES 2016-2018 Yamaha YZF-R1S - - 2015-2025 Yamaha YZF-R1 - - 2015-2025 Yamaha YZF-R1M - - 2015-2016 Yamaha YZF-R1 LE - - 2015, 2019 Yamaha YZF-R1 S - - Fitment Disclosure This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided. General Safety Warning Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, LeMans Corporation accepts no liability for loss or damage resulting from errors or omissions.
Product details and identifiers
| Distributor part |
Manufacturer part |
UPC / EAN |
Package |
| 1811-4017 |
S-H10SO25-APLT/TD |
3831113587020 |
9.6 lb; 30.25 × 13.75 × 7.75 in |
| 1811-4052 |
S-Y10SO19-RT/TD |
3831113583282 |
6.28 lb; 27.8 × 7.83 × 6.5 in |
Features
- Specially developed for use on racetracks where lower noise levels are required
- Optional headers available for some models to improve torque and power, especially from the mid-range upwards
- Notes
- PART #1811-4052 must be combined with either PART #1812-0325 link pipe for mounting on stock headers or PART #1812-0324 link pipe for mounting on the header set from the PART #1810-2344 Evolution Line kit. Evolution line PART #1810-2344 or Racing Line PART #1810-2758 (the collector and headers with associated fitting material (flanges, springs, inner sleeves and lambda plugs - please refer to schematics of the mentioned systems)).
- Fitting kit PART #1861-1254, including the muffler bracket and clamp, must be ordered and purchased separately to install PART #1811-4052.
Specifications
| Product Name |
MUFFLER |
| Type |
SLIP-ON |
| Muffler Material |
TITANIUM |
| Units |
EACH |
| Riding Style |
STREET |
Vehicle fitment
7 exact approved application ranges are shown. Select the listed part number when variants differ.
| Years |
Make |
Model |
Required part |
Position |
Notes |
| 2021 |
Honda |
CBR10SPM CBR1000RR-R Fireblade SP |
1811-4017 |
— |
— |
| 2015-2025 |
Yamaha |
YZF-R1 |
1811-4052 |
— |
— |
| 2015-2016 |
Yamaha |
YZF-R1 LE |
1811-4052 |
— |
— |
| 2015 |
Yamaha |
YZF-R1 S |
1811-4052 |
— |
— |
| 2019 |
Yamaha |
YZF-R1 S |
1811-4052 |
— |
— |
| 2015-2025 |
Yamaha |
YZF-R1M |
1811-4052 |
— |
— |
| 2016-2018 |
Yamaha |
YZF-R1S |
1811-4052 |
— |
— |
References
26 PU STREET / Page 20
Notes and disclosures
Fitment is based on source-listed stock applications. Confirm the exact part number and installation requirements; vehicle modifications can change compatibility.
