• Sale! ***Dynojet Power Commander V (Fuel and Ignition) Grom (14-20)

    ***Dynojet Power Commander V (Fuel and Ignition) Grom (14-20)

    Original price was: $429.99.Current price is: $199.16.

    NOT LEGAL FOR SALE OR USE IN CALIFORNIA Brock’s Performance Street or Track mapping is available pre-installed to match any Brock’s Performance exhaust system (exhaust purchase verification required) Includes built-in ignition control for timing adjustments Plugs in line with your bike’s stock fuel injection system Uses OEM style connectors making installation quick and easy Allows…

  • Sale! Alien Head 2 Full System 12" Muffler Grom (17-20) / MSX125 (16-20)

    Alien Head 2 Full System 12″ Muffler Grom (17-20) / MSX125 (16-20)

    Original price was: $649.00.Current price is: $199.52.

    12″ megaphone muffler Show-polished finish Maximized power gains on stock and modified engines 2″ outlet permanent baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance 65% weight savings vs. OEM full…

  • Sale! Alien Head 2 Full System 12" Muffler Grom/MSX125 (14-15)

    Alien Head 2 Full System 12″ Muffler Grom/MSX125 (14-15)

    Original price was: $649.00.Current price is: $199.71.

    12″ megaphone muffler Show-polished finish Maximized power gains on stock and modified engines 2″ outlet permanent baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance Over 60% in weight savings No…

  • Sale! Alien Head 2 Full System Black Cerakote® 12" Muffler Grom (17-20) / MSX125 (16-20)

    Alien Head 2 Full System Black Cerakote® 12″ Muffler Grom (17-20) / MSX125 (16-20)

    Original price was: $779.00.Current price is: $199.49.

    12″ megaphone muffler High-temp black (Cerakote®) ceramic coated finish Maximized power gains on stock and modified engines 2″ outlet permanent baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance 65% weight…

  • Sale! Alien Head 2 Full System Black Cerakote® 12" Muffler Grom/MSX125 (14-15)

    Alien Head 2 Full System Black Cerakote® 12″ Muffler Grom/MSX125 (14-15)

    Original price was: $779.00.Current price is: $199.21.

    12″ megaphone muffler High-temp black ceramic coated finish Maximized power gains on stock and modified engines 2″ outlet permanent baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance Over 60% in…

  • Sale! Billet Velocity Stack Honda Grom/MSX125 (14-20)

    Billet Velocity Stack Honda Grom/MSX125 (14-20)

    Original price was: $49.99.Current price is: $39.99.

    Increased performance and better throttle response Helps direct more air into the throttle body Perfect complement to our full exhaust system 6061-T6 billet aluminum Black anodized finish Laser etched Brock’s Performance logo Proudly made in the USA After extensive and exhaustive dyno testing, Brock’s Performance is proud to introduce the all-new Honda Grom Velocity Stack….

  • Sale! BST Triple TEK 12 x 3.50 Rear Wheel - Honda Grom (14-26) and Monkey (19-24) (OEM Size)

    BST Triple TEK 12 x 3.50 Rear Wheel – Honda Grom (14-26) and Monkey (19-24) (OEM Size)

    Original price was: $1,330.00.Current price is: $199.53.

    SIZE : 3.5″ x 12 WEIGHT : 4.05 lb. (1.83 kg) Add 0.20 lb. (0.090 kg) with Worldwide Bearings ceramic bearings Add 0.25 lb. (0.113 kg) with Worldwide Bearings steel bearings OEM Rear Wheel Weight: 6.9 lb. STATIC LOAD RATING : 198 lb. (90 kg) MATERIALS : Carbon fiber and aluminum STYLE : Straight, three-spoke…

  • Sale! BST Triple TEK 12 x 4.00 Rear Wheel - Honda Grom (14-26) and Monkey (19-24)

    BST Triple TEK 12 x 4.00 Rear Wheel – Honda Grom (14-26) and Monkey (19-24)

    Original price was: $1,330.00.Current price is: $199.65.

    SIZE : 4″ x 12 WEIGHT : 4.20 lb. (1.90 kg) Add 0.20 lb. (0.090 kg) with Worldwide Bearings ceramic bearings Add 0.25 lb. (0.113 kg) with Worldwide Bearings steel bearings OEM Rear Wheel Weight: 6.9 lb. STATIC LOAD RATING : 198 lb. (90 kg) MATERIALS : Carbon fiber and aluminum STYLE : Straight, three-spoke…

  • Sale! ShortMeg 2 Full System 12" Muffler Grom (17-20) / MSX125 (16-20)

    ShortMeg 2 Full System 12″ Muffler Grom (17-20) / MSX125 (16-20)

    Original price was: $649.00.Current price is: $199.27.

    12″ megaphone muffler Show-polished finish Maximized power gains on stock and modified engines 2″ outlet removable baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance 65% weight savings vs. OEM full…

  • Sale! ShortMeg 2 Full System 12" Muffler Grom/MSX125 (14-15)

    ShortMeg 2 Full System 12″ Muffler Grom/MSX125 (14-15)

    Original price was: $649.00.Current price is: $199.71.

    12″ megaphone muffler Show-polished finish Maximized power gains on stock and modified engines 2″ outlet removable baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance Over 60% in weight savings No…

  • Sale! ShortMeg 2 Full System Black Cerakote® 12" Muffler Grom (17-20) / MSX125 (16-20)

    ShortMeg 2 Full System Black Cerakote® 12″ Muffler Grom (17-20) / MSX125 (16-20)

    Original price was: $779.00.Current price is: $199.81.

    12″ megaphone muffler High-temp black (Cerakote®) ceramic coated finish Maximized power gains on stock and modified engines 2″ outlet removable baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance 65% weight…

  • Sale! ShortMeg 2 Full System Black Cerakote® 12" Muffler Grom/MSX125 (14-15)

    ShortMeg 2 Full System Black Cerakote® 12″ Muffler Grom/MSX125 (14-15)

    Original price was: $779.00.Current price is: $199.75.

    12″ megaphone muffler High-temp black ceramic coated finish Maximized power gains on stock and modified engines 2″ outlet removable baffle (glass wool/fiberglass) for long life, deep sound Larger diameter outlet provides increased exhaust flow Distinctive look/aggressive sound (2” optional sold separately) Pre-installed 18mm bung for wideband O2 sensor Provides maximum ground clearance Over 60% in…

  • Sale! Stainless Steel Header Flange Each Grom (14-20) / Z125 (17-20)

    Stainless Steel Header Flange Each Grom (14-20) / Z125 (17-20)

    Original price was: $47.99.Current price is: $38.39.

    Replacement header flange for Brock’s Performance stainless steel Honda Grom and Kawasaki Z125 Pro exhaust systems Will work with the following exhaust systems: Alien Head 2™ and ShortMeg 2™ Sold as individual flanges. Order quantity as needed.

  • Sale! Water-Resistant Short Ram Air Intake Kit Honda Grom/MSX125 (14-20)

    Water-Resistant Short Ram Air Intake Kit Honda Grom/MSX125 (14-20)

    Original price was: $199.98.Current price is: $99.99.

    Direct bolt-on replacement for the OEM airbox Provides cooler and more direct air to your engine Quicker throttle response and increased performance Retains the OEM IAT sensor to ensure accurate readings Innovative polyester material allows for consistent airflow Special PTFE (Teflon) treatment creates a water-resistant barrier Optimized filter surface area provides more airflow, more power…