- 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
- Click here to view Installation Instructions
IN STOCK
Billet Velocity Stack Honda Grom/MSX125 (14-20)

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Billet Velocity Stack Honda Grom/MSX125 (14-20)
$49.99
Reviews
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Throttle response
This is an awesome product on my 19 grom. It has increased the throttle response tremendously. Definitely makes getting of the line quicker and more fun. I have it paired with a high flow racing air filter.
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Stack
My mate has the stacks in his 2017 grom with a racing filter and a comp works exhaust. his bike beats mine in 1st and 2nd in a race by about 5- 6 meters (15 - 18 feet). Also 2nd race was around a corner - me on the inside with a stock grom and he still got me by 3 4 - meters by the end of 2nd gear.