• 09-19 Yamaha YFZ450R: Big Gun Evo Race Slip-On Exhaust

    Professional testing and tuning gives the EVO Race system the ability to produce 4 - 8 additional horsepower on most models. Take your riding to the woods with the U.S.F.S. approved screen type removable spark arrestor. Big Gun builds the EVO Race Series

    • ASIN: B003175IVK
    • ASIN: B003175IVK
    • Brand: Big Gun Exhaust
    • Manufacturer: Big Gun

  • FMF 09-20 Yamaha YFZ450R Powercore 4 Slip-On Exhaust - 4-Stroke

    Hi-Flo modular end cap. Internal shape of core uses Hi-Flo technology. Enhanced sonic evacuation provides for higher flow and increased power. Includes removable (most models) spark arrestor. Optional 96dB quiet insert available (sold separately). Note: For closed course competition use ONLY. Not intended for street use.Detailed Specifications: Type: Slip-On. Configuration: Single. Construction: Aluminum. Finish: Champagne anodized. Midpipe: Stainless steel. Endcap: Stainless steel. Spark arrestor: Screen insert (included). Quiet insert: Quiet insert (sold separately). Weight: 5.7 pounds.Fits:... [Read More]

    • ASIN: B00384MZQC
    • UPC: 182682991422
    • ASIN: B00384MZQC
    • Brand: FMF
    • Manufacturer: FMF

  • FMF 4.1 Full Exhaust Blue Carbon End Cap Chad Wienen Yamaha YFZ450R

    The FMF 4.1 Chad Wienen Full Exhaust for the Yamaha YFZ450R incorporates Resonance Chamber Technology, with patented core shape lowers sound level while maintaining maximum power output and canister shape increases internal volume for more sound absorbing material. The chamber is designed to enhance and refine exhaust pressure. The exhaust is tuned with optimized core specifications and comes with the quality, craftsmanship and performance expected from FMF. Meets AMA and FIM sound requirements. Type: Full System Configuration: Single Construction: Titanium Finish: Blue Anodized Midpipe:... [Read More]

    • ASIN: B0139RFNJ8
    • ASIN: B0139RFNJ8
    • Brand: FMF Exhaust
    • Manufacturer: FMF

  • Sparks Racing X-6 Stainless Steel Big Core Full Exhaust Yamaha Yfz450r

    The Sparks Racing X6 Stainless Steel Exhaust system is the ideal exhaust system for any application because of the power gains it produces through the entire power curve. Our exhausts are complete systems, not slip-ons, because we’ve found much more performance with designing a complete system rather than working with the limitations of the stock head pipe. We have spent countless hours testing on the dyno, on the track with Pro-level riders, and at the drag races to insure the most performance possible out of our exhaust systems. This exhaust system is offered in both the X6 Race Core and X... [Read More]

    • ASIN: B00ON5KWM4
    • UPC: 766973233950
    • ASIN: B00ON5KWM4
    • Brand: Sparks Racing
    • Manufacturer: Sparks Racing

  • Yoshimura 09-19 Yamaha YFZ450R RS-2 Comp Series Slip-On Exhaust (Signature/Stainless Steel/Aluminum)

    New diamond-shape slip-on allows for more packing material creating lower noise. Muffler shape increases durability and performance from muffler packing. Two-stage large race baffle allows optimal performance throughout the RPM range. Slip-on comes with a

    • ASIN: B002QY1GMY
    • ASIN: B002QY1GMY
    • Brand: Yoshimura
    • Manufacturer: Yoshimura

  • HMF Engineering Yamaha YFZ 450R-X 2009 - 2015 Slip On Blackout Exhaust |

    • HMF Engineering Performance Series Slip On Exhaust System• Blackout finish• Shape: Elliptical• Mount: Side• Cap: Euro (Blackout finish)• The Performance Slip on picked up 10-15% more horse power. • The sound level will be 4-6dB louder than the stock muffler. Payment Immediate payment required for this item. We only accept PayPal on , this means you can rest assured your order will be with you ASAP after your purchase. For your security we only deliver our order to the address you provide us via PayPal. For international shipments, the buyer is responsible for all import fees. S... [Read More]

    • ASIN: B00ZIXPGO4
    • ASIN: B00ZIXPGO4
    • Brand: HMF Engineering
    • Manufacturer: HMF ENGINEERING

  • 09-20 Yamaha YFZ450R: Big Gun Exo Series Slip-On Exhaust

    Image is for display purposes only; actual product will vary with fitment.Fits:YAMAHAYFZ450R 09-20, YFZ450X 10-11

    • ASIN: B00SJUC70O
    • ASIN: B00SJUC70O
    • Brand: Big Gun Exhaust
    • Manufacturer: Big Gun

  • FMF Racing 44299 Header


    • ASIN: B0144KL730
    • UPC: 704805766122
    • ASIN: B0144KL730
    • Brand: FMF
    • Manufacturer: FMF Racing

  • Yoshimura 09-19 Yamaha YFZ450R RS-2 Comp Series Full System Exhaust (Signature/Aluminum)

    These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE.Signature Series: Introducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. The Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, inc... [Read More]

    • ASIN: B0031BFTP6
    • UPC: 748264244265
    • ASIN: B0031BFTP6
    • Brand: Yoshimura
    • Size: Yamaha YFZ450R 2009-2011
    • Manufacturer: Yoshimura

  • 09-19 Yamaha YFZ450R: Big Gun Evo R Complete Exhaust

    Lighter than stock exhaust. Massive horsepower and torque gains. Hand TIG welded 304 stainless steel mid pipe / head pipe construction with a brushed finish. Ceramic-coated 18-gauge mild steel stepped or tapered head pipe construction. Sleek silencer desi

    • ASIN: B003170AX6
    • UPC: 716855699947
    • ASIN: B003170AX6
    • Brand: Big Gun Exhaust
    • Manufacturer: Big Gun

  • Chad Wienen Yamaha Yfz450r Fmf 4.1 Exhaust Blue Carbon Cap & Vortex & FCI 2009-2020

    This Special Chad Wienen Power Kit includes: FMF 4.1 FULL EXHAUST BLUE CARBON END CAP: The FMF 4.1 Chad Wienen Full Exhaust for the Yamaha YFZ450R incorporates Resonance Chamber Technology, with patented core shape lowers sound level while maintaining maximum power output and canister shape increases internal volume for more sound absorbing material. The chamber is designed to enhance and refine exhaust pressure. The exhaust is tuned with optimized core specifications and comes with the quality, craftsmanship and performance expected from FMF. Meets AMA and FIM sound requirements. VORTEX FUEL... [Read More]

    • ASIN: B01GU7J4J4
    • UPC: 751109173651
    • ASIN: B01GU7J4J4
    • Brand: FMF Exhaust
    • Manufacturer: FMF Exhaust

  • Yoshimura RS-2 Slip-On Muffler Stainless/Alum/Stainless for Yamaha YFZ450R 09-13

    Maximized Muffler VolumeDiamond ShapeStainless Steel Cone End Cap96dB Sound Insert/USFS-Approved Spark Arrestor IncludedPlease Note: For Closed Course Competition Use Only. Not Intended for Street Use.Please Note: The Image Displayed Is Representative of the Item, but May Vary Depending Upon Your Specific Model.

    • ASIN: B00A2ZCD76
    • ASIN: B00A2ZCD76
    • Brand: Yoshimura
    • Manufacturer: Yoshimura

  • 09-19 Yamaha YFZ450R: Two Brothers M-7 Slip-On Exhaust (Aluminum)

    TBR's S-bends are manufactured from 0.035" thin wall stainless steel. They then polish them to a satin finish. They use only #304 stainless which will never rust. After a few heat cycles the steel turns a golden amber color which is the characteristic signature of high quality stainless steel. These systems not only add horsepower but also can drop significant weight from your bike. This type of canister can be mounted in the original canister position or in a "high" mounted canister position depending on the bike and the available applications.Fits:YAMAHAYFZ450R 09-14, YFZ450X 10-11

    • ASIN: B002OPXI1C
    • ASIN: B002OPXI1C
    • Brand: Two Brothers Racing
    • Manufacturer: Two Brothers

  • FMF 4.1 Exhaust Blue Carbon Vortex ECU Fuel Customs AirBox Yamaha YFZ450R 2009-2020

    FMF 4.1 Chad Wienen Full Exhaust Blue Carbon End Cap for the Yamaha YFZ450R The FMF 4.1 Chad Wienen Full Exhaust for the Yamaha YFZ450R incorporates Resonance Chamber Technology, with patented core shape lowers sound level while maintaining maximum power output and canister shape increases internal volume for more sound absorbing material. The chamber is designed to enhance and refine exhaust pressure. Vortex Fuel And Ignition Control X10 ECU CDI The Vortex ECU for the YAMAHA YFZ450R is like our CDI and EFI Interceptor rolled into one module. The ECU controls not only Spark timing and Volta... [Read More]

    • ASIN: B073T2KWMW
    • UPC: 766544552251
    • ASIN: B073T2KWMW
    • Brand: FMF Exhaust
    • Manufacturer: FMF Exhaust

  • FMF 09-19 Yamaha YFZ450R Factory 4.1 RCT Slip-On Exhaust (Blue Anodized Titanium with Titanium Mid Pipe and Carbon Fiber End Cap)

    The final component is a new rear endcap engineered for simple tuning adjustments incorporating a snap ring feature to secure the standard and optional inserts. Massive POWER gains throughout the RPM range. Quieter than stock. Huge weight savings. Includes midpipe. Can be used with FMF header or stock. New RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding U.S. Forestry Service Approved Spark Arrestor. #1 Exhaust in AMA Supercross Series, AMA Motocross Series, FIM Motocross of Nations and the Monster Energy Cup! The Factory 4.1 RCT is constructed from only aerospac... [Read More]

    • ASIN: B00JK1AKQ4
    • ASIN: B00JK1AKQ4
    • Brand: FMF
    • Manufacturer: FMF

  • Primary Drive Rear Aluminum Sprocket 36 Tooth Black for Yamaha YFZ450R 2009-2018

    Primary Drive rear aluminum sprockets are made from a high-strength aircraft grade aluminum

    • UPC: 851528679
    • Model: PD5307

  • Quantum Intank EFI Fuel Pump Yamaha YFZ450R 2009-2018

    HFP replacement fuel pumps, modules,assemblies, and kit componentsare designed to meet or exceed OEM specifications, and feature upgradesthat improve on the OEM design. Upgraded polymers, brushes, and commutators ensure long life and durability in multiple

    • UPC: 541982904
    • Model: YFZ450R

  • Quantum Fuel Pump Tank Seal Yamaha YFZ450R 2009-2017

    Replacing the fuel tank seal or gasket is a vital part of the fuel pump replacement process. Quantum tank seals are made exclusively from Viton® which are impervious to ethanol and other chemicals that degrade

    • UPC: 365541566
    • Model: YFZ450R

  • All Balls Linkage Bearing - Seal Kit Compatible with Yamaha Yfz450R 09-17, Yfz450X 10-11 27-1175

    All Balls Linkage Bearing - Seal Kit Yamaha Yfz450R 09-17, Yfz450X 10-11 27-1175Yamaha YFZ450R 2009 - 2018Yamaha YFZ450X 2010 -

    • UPC: 710761253
    • Model: Linkage YFZ450R 09-17, YFZ450X 10-11

  • New All Balls Racing Caliper Bolt Kit 18-7008 For Yamaha YFM700R Raptor 2006-2018, YFZ450R 2009-2018, YFZ450 2004-2009, YFZ450X 2010 2011

    New All Balls Racing Caliper Bolt Kit 18-7008 For Yamaha YFM700R Raptor 2006-2018, YFZ450R 2009-2018, YFZ450 2004-2009, YFZ450X 2010 2011Honda CR80R 1986 - 2002Honda CR80RB 1996 - 2002Honda CR85R 2003 - 2007Honda CR85RB 2003 -

    • UPC: 311173361
    • Model: 18-7008

  • New Swing Arm Bearing - Seal Kit Compatible with Yamaha Yfz450R 09-17, Yfz450X 10-11 28-1200

    New Swing Arm Bearing - Seal Kit Yamaha Yfz450R 09-17, Yfz450X 10-11 28-1200Yamaha YFZ450R 2009 - 2018Yamaha YFZ450X 2010 -

    • UPC: 188376885
    • Model: YFZ450R 09-17, YFZ450X 10-11

  • Quantum Fuel Pressure Regulator For Yamaha YFZ450R / SE 2009-2018, Replaces 8P-13907-00-00, 18P-13907-11-00, 13907-10-00

    HFP replacement fuel pumps, modules,assemblies, and kit componentsare designed to meet or exceed OEM specifications, and feature upgradesthat improve on the OEM design. Upgraded polymers, brushes, and commutators ensure long life and durability in multiple

    • UPC: 160260714
    • Model: YFZ450R

  • Vesrah Exhaust Valve for Yamaha YFZ450R 2009-2013

    Vesrah valves are manufactured from top quality materials that meet or exceed OEM specifications. All valves are treated with the tuftrid method to give additional corrosion resistance and mechanical

    • UPC: 261956824
    • Model: DZNVRH-1042

  • Vesrah Exhaust Valve for Yamaha YFZ450R 2015-2016

    Vesrah valves are manufactured from top quality materials that meet or exceed OEM specifications. All valves are treated with the tuftrid method to give additional corrosion resistance and mechanical

    • UPC: 369881831
    • Model: DZNVRH-1043

  • Vesrah Exhaust Valve for Yamaha YFZ450R SPECIAL EDITION 2010-2012

    Vesrah valves are manufactured from top quality materials that meet or exceed OEM specifications. All valves are treated with the tuftrid method to give additional corrosion resistance and mechanical

    • UPC: 159037359
    • Model: DZNVRH-1045

  • ♫ ♪ ♫ Yamaha YFZ 450 Exhaust review I SoundCheck ♫ ♪ ♫

    HMF Blackout full exhaust yamaha yfz450R se

    HMF Exhaust sounds amazing on a YFZ450R