MX-PERFORMANCE.COM Products Are For Closed Course Competition Use Only. Not Intended for Street Use

623507-16-1013   LIST:$318.99  MXP:$289.00  EVO S Full System - Honda Grom (14-15)  The Big Gun EVO Street Series was designed to deliver maximum horsepower & torque gains throughout the RPM range. Made from .049 stainless steel tubing & an aluminum muffler canister the EVO “S” exhaust system is much lighter than stock units. Our sleek muffler design allows for maximum clearance and ease of installation. The muffler is coated black and wrapped in our high temp EVO “S” decal then coupled with our aggressive black end tip to give it that signature Big Gun look. All Big Gun exhausts are for closed course use only and are not intended for use on the road. Big Gun exhausts are NOT LEGAL for sale or use on pollution controlled vehicles in the state of California.

16-1023   LIST:$318.99  MXP:$289.00  EVO S Full System - Honda Grom (17-20)  Race-proven power is what you get with an EVO S series exhaust. If a performance-driven, quality-made exhaust system is what you are after, look no further. Our EVO S series is offered for a variety of sport bike and scooter models in an array of different slip on and full system options.     High-temp black thermal coated oval shaped aluminum muffler     TIG welded reinforced muffler bracket(s)     304 stainless steel mid pipe / head pipe     Black powder coated stainless steel end tip     Much lighter than stock     Massive horsepower and torque gains     Sleek muffler design allows for maximum clearance     Handmade in the USA

Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit. SOLD OUT   FREE SHIPPING    P# 27-5800 LIST:$344.95  MXP:$305.00  GROM big bore kit   Kit includes: • Ceramic coated aluminum cylinder • 61mm bore, 11.5:1 compression ratio forged piston/ring kit • Top end gasket kit and banjo bolts (premium fuel required)  Not legal for use in California on pollution controlled vehicles, race use only in California	BIG BORE KIT w/4-VALVE RACE CYLINDER HEAD for HONDA GROM      SOLD OUT   if you want your GROM to "scream " this is the kit for you !       P#27-5810    LIST:$949.95  MXP:$855.00  SALE !!! GET ONE WHILE THEY LAST, $799.00  GROM 170cc big bore kit with 4-valve Race cylinder head      Kit Includes: • Koso ceramic coated big bore cylinder kit forged w/4-valve piston and gaskets • Koso 4-valve cylinder head (complete with camshaft, rocker arms, intake manifold, and all other parts shown in the picture) • NOT LEGAL FOR USE IN CALIFORNIA ON POLUTION CONTROLLEDVEHICLES, RACE USE ONLY IN CALIFORNIA. WAIVER AVAILABLE.	The Koso 4V Cylinder Head kit for Honda GROM® is the ideal engine part to complete the Koso Honda GROM® Big Bore kit. Because of its unique 4 valve design, the air flow and performance are increased. This new designed head is the perfect addition for those who desire more power and torque.  The 4 Valve Cylinder Head Kit features a forged piston,  stainless steel 24 mm intake valves and 20 mm exhaust valves. Feel the speed! *Fit only Koso Big Bore kit.
SOLD OUT   P#27-5801 MXP:$95.95    61MM Piston/ring kit KOSO PISTON/RING KIT REPLACEMENT PART	SOLD OUT   P# 27-5804   LIST:$129.95   MXP:$117.00   HONDA GROM PERFORMANCE CAMSHAFT  • The Koso 240° camshaft increases power and torque compared to the stock camshaft. • Can be used with a stock engine, or for optimal gains, use with the Koso 170cc Big Bore Kit. Not legal for use in California on pollution controlled vehicles, race use only in California	SOLD OUT   P# 27-5811  LIST:$47.95  MXP:$44.00    High-flow oil pump for Honda GROM®  is strongly recommended for those who upgraded their engine with our 170cc Big Bore kit and 4v Cylinder head. The addition of this high quality part will increase the oil flow by 40%; which is a very effective modification that will help prevent engine failure. Keeping the engine lubricated and cool is very important; whether you ride for fun or for races.  KOSO GROM HI-FLO OIL PUMP!!!
HONDA GROM   P#TBW9150 MXP:$239.00   FREE SHPPING!!!    186cc 64mm Bore Kit – Includes Ceramic coated all aluminum cylinder, piston kit, and gasket kit.	P#TBW9153 MXP:$149.00   FREE SHPPING!!!  HONDA GROM     Oil Cooler Kit Requires use of above cylinder or similar one with oil in/out outlets	HONDA GROM     P#TBW9154 MXP:$369.00   FREE SHPPING!!!    186cc 64mm Bore Kit and Oil Cooler Kit – Same kit as above but with an oil cooler kit included
HONDA GROM    P#TBW1032 MXP:$69.00   FREE SHPPING!!!    64mm Piston Kit	HONDA GROM    P#TBW1027 MXP:$16.00   64mm Head Gasket Kit	HONDA GROM     P#TBW1041 MXP:$164.00   FREE SHPPING!!!    64mm Ceramic All Aluminum Cylinder.
P# 27-5805 LIST:$157.95  MXP:$148.00    THROTTLE BODY • 34mm Throttle body for increased performance compared to stock 30.5mm throttle body • Includes all gaskets needed and instructions	PERFORMANCE INTAKE PARTS FOR HONDA GROM	P# 27-5806 LIST:$79.95      INTAKE MANIFOLD • Intake manifold port is larger than stock and is size matched to use with the Koso throttle body • Includes all gaskets needed and instructions
P#27-5807 $34.95     AIRBOX TUBES • Connecting tube is designed to connect the stock Grom airbox to the Koso 34mm throttle body • Intake tube allows for higher air volume to enter the stock Grom airbox	P#27-5809 LIST:$68.95        HURRICANE AIR FILTER • Increases airflow and offers improved filtering compared to the stock air filter • Removable foam filter media can be cleaned repeatedly • Replaces the stock Grom air filter	P# 27-5808 $31.95    AIRBOX TUBES • Connecting tube is designed to connect the stock Grom airbox to the Koso 34mm throttle body • Intake tube allows for higher air volume to enter the stock Grom airbox
Supplied with application specific harness for easy Plug and Play installation – no cutting into OEM wires • Pre-programmed with 2 maps, one for stock and one for a slipon exhaust • Comes with easy to use software and USB cable making tuning a snap • Runs up to 8 injectors independently • TPS Calibration, to account for slight variations between bikes • Self mapping capability with purchase of optional Z-AFM Kit • Optional handlebar mounted MAP switch available separately P# 277-A868   Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available	P# 131-11001 MSX 125 GROM ‘14-15 LIST:$399.95     Maximizes power and fuel economy • Plug and play installation • On the fly tuning, no dyno required • Works with all ECU downloads and all brands of aftermarket ECU controllers • Does not interfere with stock ECU operation • Includes air/fuel ratio gauge (2 1/8” diameter), wideband controller and Bosch O2 sensor (gauge mount and O2 sensor bung not included   1 Year warranty, will not void any OEM factory warranties The AFR+ brings together two technologies within one system to make it the most powerful, user-friendly tuning device on the market. AFR+ combines an EFI controller with a wideband O2 sensor and AFR gauge to provide a user instant fuel trimming ability and feedback about their vehicle’s state of tune. The AFR+ can handle all of your fueling needs or compliment ECU downloads and already installed EFI controllers. The AFR gauge allows you to know exactly how well your tune-up is performing. The EFI fueling allows you to control any necessary fine tuning without spending more money or valuable time. Metric Only Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
BACK ORDER P#374802  LIST:599.99  MXP:$550.00 Honda Grom (2014) 143cc Big Bore Kit Bolt on 50% more power! Take your GROM from Stock 8HP to over 12HP with this easy to install bolt on 143cc Big Bore kit. This complete kit comes with everything you need for an easy installation. Takegawa kits come direct to us from Japan are designed to bolt on easily and everything you need is in 1 box: 143cc Big Bore cylinder Piston, rings, pin, clips and gasket kit Performance Camshaft Fuel Controller Spark plug MX-PERFORMANCE.COM Products Are For Closed Course Competition Use Only. Not Intended for Street Use.	P#0114121 LIST:$276.00 MXP:$260.00 Honda GROM (2014) - Power Commander Ignition Quick Shifter This unit allows any single cylinder vehicle to have quick shifter functionality without the need for a Power Commander.  It comes with “coil cap” style connector (Denso) for easy installation on most late model applications.  For applications that do not have this style of coil the connector can be removed and the unit hard wired in. Long travel sensor designed to keep unit away from riders boot and from the bikes chain. Sensor is fully waterproof and immune to temperature. Optional remote quickset adjuster allows you to adjust kill times on the fly	P#01116049  LIST:$399.99  MXP:$375.00 Honda GROM PCV (2014) - Power Commander V Fuel Injection Module Using valuable data collected from the Power Commander III, Dynojet introduces the Power Commander V, the premier tuning system. Retaining the famed user-friendly interface, the smaller and capable Commander V not only tunes the electronic fuel injection (EFI), but also the ignition timing. These features provide Harley-Davidson Dyna riders with unparalleled access to performance-enhancing possibilities for your cruiser. From simple corrections for off-idle hiccups to extensive race level mods. Dynojet Power Commander V is exactly what H-D riders need to unlock the potential of their Big Twin Harley engine. PC 5 offers reduced size from PC 3 USB (less than half of the size of PC 3) USB powered from computer (9 volt adapter is no longer needed for programming) 2 position map switching function built in (map switch not included) Gear/Speed input (allows for map adjustment based on gear and speed) Analog input (allows user to install any 0-5 volt sensor and build an adjustment table based on its input such as boost or temperature) With gear position input connected the PCV is capable of allowing each cylinder to be mapped individually and for each gear  (for example: on a 4 cylinder bike with a six speed transmission there could be up to 24 separate fuel tables). Unit has a -100/+250% fuel change range (up from -100/+100%).  This allows more adjustment range for 8 injector sportbikes 10 throttle position columns (up from 9 on PCIIIusb) Enhanced “accel pump” utility (increased adjustment and sensitivity ranges)
P# 12-8344BK  VooDoo GROM EXHAUST BLACK FREE SHIPPING!!!	VooDoo Grom Exhaust  !!! Designed and produced by VooDoo Industries for the demanding motorcycling enthusiast! • Mandrel bent stainless steel for a perfect fit • Mufflers are finished in either show polish or black with a laser etched VooDoo logo • All mufflers include a rebuildable perforated stainless steel baffle core and all clamps/brackets needed for installation ←                ←                ←               ←  P# 12-8344BK  VooDoo GROM EXHAUST BLACK LIST:$359.99  MXP:$324.00 FREE SHIPPING!!!  —  —  —  —  —  —  —  —  —  —  —  —  —  →             →            →             → P# 12-8344P  VooDoo GROM EXHAUST Polished LIST:$359.99  MXP:$324.00 FREE SHIPPING!!!	P# 12-8344BK  VooDoo GROM EXHAUST POLISHED FREE SHIPPING!!!