The R-55 is currently one of Yoshimura’s most popular pipes, and for good reason. It’s a hybrid of MotoGP, Superbike, and Yoshimura style, which makes for a pretty impressive package. Its asymmetrical shape appeals to the eye and really captures the spirit of MotoGP racing. It also complements the look of any sportbike, following the race-inspired lines of today’s motorcycles. The R-55 features a straight baffle with removable low-volume insert. The TIG-welded muffler is constructed of high quality 304-L polished stainless steel, and has the option of either a polished 304-L stainless steel or carbon fiber end-cap. The laser cut mounting bracket is TIG-welded to the sleeve for maximum strength and good looks. The R-55 comes as a Slip-On muffler, which attaches simply to the stock exhaust mounting slip-fit, or on select Yoshimura Full systems. |
| Applications |
Make | Model | Year | Configuration | Carbon End-Cap | Stainless End-Cap | Honda | CB1000R | 2011-2012 | Slip-On | | - |
| Kawasaki | ZX-14R | 2008-2012 | Slip-On | | - | ZX-10R | 2008-2010 | Slip-On | | | | | Suzuki | Hayabusa | 2008-2012 | Full System | - | | GSX-R750 | 2008-2010 | Full System | | | Slip-On | | | 2006-2007 | Full System | | | Slip-On | | | GSX-R600 | 2008-2010 | Full System | | | Slip-On | | | 2006-2007 | Full System | | | Slip-On | | | Gladius | 2009-2010 | Slip-On | - | |
| Yamaha | YZF-R6V | 2006-2013 | Full System | | | Slip-On | | |
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| Replacement Mufflers |
| - Complete Muffler Assembly
- Spring-mounted muffler with 2 1/4" inlet
- Please call to insure correct replacement muffler
| Part Number | Description | Application | MSRP | 1104285-RMA | Stainless R-55 Muffler with Carbon Endcap | 06-07 GSX-R600/750
06-13 YZF-R6 | $495.95 | 1104286-RMA | Stainless R-55 Muffler with Stainless Endcap | 06-07 GSX-R600/750
06-13 YZF-R6 | $440.00 | 1170285-RMA | Stainless R-55 Muffler with Carbon Endcap | 08-10 GSX-R600/750 | $495.95 | 1170286-RMA | Stainless R-55 Muffler with Stainless Endcap | 08-10 GSX-R600/750 | $440.00 | 1121086-RMA | Stainless R-55 Muffler with Stainless, Laser-Etched Endcap | 08-12 GSX-1300R Hayabusa | $440.00 | 1417285-RMA | Stainless R-55 Muffler with Carbon Endcap | 08-10 ZX-10R | $495.95 | 1417286-RMA | Stainless R-55 Muffler with Stainless Endcap | 08-10 ZX-10R | $440.00 |
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| Replacement Sleeves |
| - Replace your scratched, dented or discolored muffler with a new sleeve
- Please call to insure correct replacement sleeve
| Part Number | Description | Application | MSRP | 1104-SSS-08 | For use with Stainless R-55 Muffler (Carbon Endcap) | 06-07 GSX-R600/750
06-13 YZF-R6 | $195.00 | 1104-SSS-08C | For use with Stainless R-55 Muffler (Stainless Endcap) | 06-07 GSX-R600/750
06-13 YZF-R6 | $195.00 | 1170-SSS-08CF | For use with Stainless R-55 Muffler (Carbon Endcap) | 08-10 GSX-R600/750 | $195.00 | 1170-SSS-08S | For use with Stainless R-55 Muffler (Stainless Endcap) | 08-10 GSX-R600/750 | $195.00 | 1121-SSS-10S | For use with Stainless R-55 Muffler (Stainless, Laser-Etched Endcap) | 08-12 GSX-1300R Hayabusa | $195.00 | 1417-SSS-08 | For use with Stainless R-55 Muffler (Carbon Endcap) | 08-10 ZX-10R | $195.00 | 1417-SSS-08S | For use with Stainless R-55 Muffler (Stainless Endcap) | 08-10 ZX-10R | $195.00 |
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| Replacement Packing/Rivets |
 | - Space-Age Packing Material
- Repack should be done every 7000-10000 miles
- Please Call for Complete Repacking Kits
| | Carbon End-cap | Stainless End-cap | Part # | PACKING9 | | $14.75 |
| Rivet Part # | C3-RIVET | AC-RIVET | | $0.95 Each | $0.55 Each |
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| Replacement Nameplate/Rivets |
 | - Replace your scratched, dented or discolored muffler badge with a fresh one
| | Stainless | Nameplate # | R55-NB001 | | $12.00 |
| Rivet Part # | N-RIVET | | $0.12 Each |
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| Replacement Inserts |
 | - Reduce dB levels in minutes for noise sensitive race tracks
- Lowers dB levels by up to 10dB with minimal power loss
| | Carbon End-cap | Stainless End-cap | Part # | INS-01-K | INS-02-K |
| $29.95 | $29.95 |
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