Yoshimura Now Offering Performance Exhausts and Fuel Management Systems for the 2009-2010 Kawasaki KX450F and 2010 KX250F
by Jon Crowley on 02/06/10 at 6:50 am
Chino, Calif. – June 2, 2010 – Yoshimura R&D is proud to announce that they have extended their lineup of RS-2 Comp and RS-2 Pro exhausts to include Slip-ons and Full Systems for the 2009-2010 KX450F and the 2010 KX250F. They have also developed a new version of their PIM-2 unit and DATA Box for the 2009-2010 KX450F to re-tune the electronic fuel-injection system for more power and better throttle response. Both of these bikes are a blast to ride from the factory, but put Yoshimura in the mix and they quickly turn from fun Sunday rides into ferocious performance machines!
RS-2 Exhaust Systems
The RS-2 is the spiritual successor of Yoshimura’s original TRC design. It features a pyramidal shape that allows for a larger interior volume, meaning higher exhaust flow with less noise. Thanks to this design the RS-2 makes great power, gives you that classic Yoshimura sound, and keeps noise pollution to a minimum.
The full RS-2 Comp system pairs the race-proven RS-2 exhaust with a Yoshimura-designed header and mid-pipe for even bigger power gains. The full system includes a stainless steel header and mid-pipe, stainless/aluminum RS-2 muffler with USFS-approved spark-arrestor insert, all of the necessary installation hardware, and detailed instructions for easy setup.
The RS-2 Pro series uses the same design as the RS-2 Comp, but is available in both titanium/titanium and titanium/carbon construction for the more competitive racers looking to save some weight. In addition to these lightweight, high-strength materials, Yoshimura also skips the spark-arrestor insert in favor of an AMA Pro-Racing sound insert for closed-course competition. The RS-2 Pro system includes a titanium header and midpipe, titanium/titanium or titanium/carbon muffler, and is just as easy to install thanks to the included hardware and instructions.
2009-2010 KFX450
RS-2 Stainless/Aluminum Full System
P/N: 2446503
MSRP: $595.00
RS-2 Titanium/Carbon Full System
P/N: 2446162
MSRP: $895.00
RS-2 Titanium/Titanium Full System
P/N: 2446167
MSRP: $845.00
RS-2 Stainless/Aluminum Slip-On
P/N: 2446703
MSRP: $395.00
2009-2010 KFX250
RS-2 Stainless/Aluminum Full System
P/N: 2427503
MSRP $595.00
RS-2 Titanium/Carbon Full System
P/N: 2427162
MSRP $895.00
RS-2 Titanium/Titanium Full System
P/N: 2427167
MSRP $845.00
RS-2 Stainless/Aluminum Slip-On
P/N: 2427703
MSRP $395.00
PIM-2 Unit and DATA Box
Yoshimura has been a leader in high-performance EFI management systems for years, and those years of experience lead to the development of the PIM-2, an advanced fuel-mapping device that plugs right into your stock wiring harness. Each PIM-2 unit comes pre-loaded with two different fuel maps designed for use with either a Yoshimura Slip-on muffler, or a Full Exhaust System. If those presets aren’t enough for you, the Yoshimura website has dozens of additional configuration maps available for you to download and install.
Each PIM-2 kit includes the PIM-2 unit, mounting kit, software disc, USB connector cable, and simple installation instructions.
The PIM-2 can also be paired with the DATA Box system, which includes an air-fuel sensor and an amplifier box that connects to the PIM-2. With this system installed, the PIM-2 can automatically adjust the air and fuel mixture, and create new custom fuel-maps to maximize performance on the track. Each DATA Box kit comes with the necessary installation hardware, but may require minor modification of the exhaust system to accept the air-fuel sensor fitting.
EMS PIM2 Unit
P/N: R-433-2446
MSRP: $339.95
Yoshimura DATA Box
P/N: R-433-DATA
MSRP: $429.00
RS-2 Stainless Steel Full System
KFX450 with Carbon Fiber RS-2
KFX250 with Stainless Steel RS-2
PIM Unit
DATA Box
About Yoshimura R&D of America: Yoshimura is “The Leader in Performance” and has been for more than 55 years. With unmatched skills, knowledge, and passion for racing, Yoshimura is on the forefront of the aftermarket exhaust industry. Yoshimura pipes are race bred and feature the same legendary performance, fit and quality that has been their trademark for more than five decades. To learn more about Yoshimura and view the wide variety of performance products, visit www.yoshimura-rd.com
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