BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | STREET EXHAUST EXHAUST 14 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL DESCRIPTION PART # EMIS* BMW (CONT) S1000R 14-16 Single titanium muffler w/ carbon end cap 1811-2226 3 Single titanium muffler w/ titanium end cap 1811-2889 3 Optional carbon muffler bracket (must order if passenger pegs are removed) 1861-0847 N/A S1000R 17-20 Single titanium muffler w/ titanium end cap (race) 1811-3329 3 4-into-1 stainless header 1812-0238 3 S1000R 21-24, M1000R 21-24 Single carbon muffler w/ titanium end cap 1811-4213 3 4-into-1 stainless header (also fits with Akrapovic standard (first fit)/B MW accessory Akrapovic silencer. For perfect performance, throttle response and durability special developed mapping is recommended.) 1812-0400 3 4-into-1 titanium header (also fits with Akrapovic standard (first fit)/B MW accessory Akrapovic silencer. For perfect performance, throttle response and durability special developed mapping is recommended.) 1812-0401 3 Optional noise damper for PART #1811-4213 1860-2186 N/A S1000XR 15-19 4-into-1 stainless header (for perfect performance, throttle response and durability special developed mapping is recommended) 1812-0238 3 S1000XR 20-24 Single carbon muffler w/ carbon end cap 1811-4018 3 4-into-1 titanium header (for perfect performance, throttle response and durability special developed mapping is recommended) 1812-0485 3 4-into-1 stainless header (for perfect performance, throttle response and durability special developed mapping is recommended) 1812-0486 3 R nineT 14-16 Titanium link pipe for low installed muffler (If removing pillion passenger frame, aluminium muffler holder from BMW’s accessories range (BMW product code 77 11 8 536 136) must be mounted) 1812-0214 3 R nineT 14-20, R nineT Racer/Pure/ Scrambler/Urban G/S 17-20 Single black titanium muffler w/ carbon end cap (must order PART #1812-0293 or PART #1812-0292 to install) 1811-3290 3 Titanium link pipe for low installed muffler (must remove pillion passenger frame to install and aluminium muffler holder from BMW’s accessories range (BMW product code 77 11 8 564 071) must be mounted, and covers for the main frame’s threaded fasteners (BMW product code 77 25 8 536 857) are also recommended to hide the unattractive screw connections on the main frame) 1812-0292 3 Titanium link pipe for high installed muffler (must remove passenger pegs to install) 1812-0293 3 2-into-1 titanium header (must order link pipe to install) 1812-0253 3 2-into-1 stainless header (must order link pipe to install) 1812-0226 3 R nineT 21-23, R nineT Racer/Pure/ Scrambler/Urban G/S 21-23 Single black titanium muffler w/ carbon end cap (must order PART #1812-0541 or PART #1812-0542 to install) 1811-3290 3 Titanium link pipe for low installed muffler (must remove pillion passenger frame to install and aluminium muffler holder from BMW’s accessories range (BMW product code 77 11 8 564 071) must be mounted, and covers for the main frame’s threaded fasteners (BMW product code 77 25 8 536 857) are also recommended to hide the unattractive screw connections on the main frame) 1812-0541 3 Titanium link pipe for high installed muffler (must remove passenger pegs to install) 1812-0542 3 2-into-1 titanium header (must order link pipe to install) 1812-0540 3 2-into-1 stainless header (must order link pipe to install) 1812-0539 3 R 12 nineT 24, R 12 24 Dual black stainless mufflers w/ stainless end caps, titanium link pipe 1811-4676 3 2-into-1 titanium header (fits with BMW accessory Akrapovic silencer; re-mapping the ECU is recommended in order to prevent check engine light warning signal and to achieve optimized performance and throttle response) 1812-0582 3 R1200GS 04-09, R1200GS Adventure 04-09 Single titanium muffler w/ titanium end cap 1811-2596 3 R1200GS 10-12, R1200GS Adventure 10-13 Single titanium muffler w/ carbon end cap 1811-2541 3 2-into-1 stainless header 1812-0204 3 R1200GS 13-16 (liquid cooled), R1200GS Adventure 14-16 Single black titanium muffler w/ carbon end cap 1811-2754 3 R1200GS 13-18 (liquid cooled), R1200GS Adventure 14-18 Single black titanium muffler w/ carbon end cap (carbon heat shield will not fit w/ optional header set) 1811-3302 3 2-into-1 titanium header 1812-0221 3 2-into-1 stainless header 1812-0210 3 R1200R 15-18, R1200RS 15-18 Single black titanium muffler w/ carbon end cap 1811-3365 3 2-into-1 titanium header 1812-0242 3 R1250R 19-24, R1250RS 19-24 Single titanium muffler w/ carbon end cap (race) (will fit w/ BMW side cases) 1811-3711 3 2-into-1 titanium header (features exhaust valve for improved rideability in lower rpm, also fits with Akrapovic standard (first fit)/B MW accessory Akrapovic silencer. Re-mapping the ECU is recommended in order to prevent check engine light warning signal and to achieve optimized performance and throttle response.) 1812-0526 3 2-into-1 stainless header (features exhaust valve for improved rideability in lower rpm, also fits with Akrapovic standard (first fit)/B MW accessory Akrapovic silencer. Re-mapping the ECU is recommended in order to prevent check engine light warning signal and to achieve optimized performance and throttle response.) 1812-0528 3 SLIP-ON SERIES MUFFLERS (CONT) 1811-4213 1811-4676
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