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Take your 2022+ Honda Grom's performance up a notch with our exclusive direct bolt-on Airbox Cover without losing fairing mounting points or needing an aftermarket filter. Simply remove your stock cover and bolt ours on to experience improved airflow and intake sound.
What's included:
- (1) TST Airbox Cover
Pair the WORX Airbox Cover with the DHM Decha Performance Stealth Intake Tube for even greater engine performance.
Applications:
Honda Grom | 2022, 2023, 2024, 2025
An ECU tune is not required to gain sound improvements but is highly recommended to achieve performance benefits and make the most of your specific engine setup.
This product is part of our Worx Program!
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InstallationProduct FeatureFeatures
DescriptionWhen it comes to squeezing more performance out of the Grom's 125cc powerplant, the airbox is an obvious target for improvement, and now with our exclusive Airbox Cover, you can gain noticeable power performance with bolt-on ease. Each airbox cover is manufactured from ABS polymer alloy to be color and texture matched to the OEM cover, providing a stealth and "factory performance part" appearance for your Grom. There's no need for an aftermarket air filter either. We rigorously tested this cover design with a number of different filters, as well as without a filter altogether, and found that the stock filter was perfectly capable of taking advantage of the increased airflow. We even saw a power decrease when running the Grom without an air filter altogether. In ideal conditions, we found that this airbox cover increases not only low end power, but high end power, too. While testing in our WORX dyno facility in Florida, we saw up to 9% gains at certain RPMs. But that's not the only improvement you'll notice. Our Airbox Cover improves the sound of your Grom by enabling more air intake and increasing that intake roar we all know and love. Don't settle for stock, especially when added performance is this easy! *Dyno graphs demonstrate the achieved power difference between the TST WORX Airbox Cover and the OEM airbox cover. All other parameters remained the same. The 2022 Honda Grom used for testing was outfitted with the Yoshimura RS 9T Full System Exhaust, tuned aRacer RCMini5 ECU, and stock air filter for all tests.
Reuses OEM hardware for installation Q: Do I have to modify any part of my Grom?
A: No - When we say that this is a bolt-on part, we mean it! That means if your Grom is in stock form, there's no drilling, cutting, or fabrication required for installation. We even designed this cover to retain the Grom's fairing mounting brackets, which is something that most airbox modifications don't consider. Q: What air filter is best for this cover? A: We recommend the stock filter. We even found that performance numbers decreased on our Dyno when comparing no air filter vs. the stock air filter. Q: Do I need a tune? A: A tune is not required to experience that deep intake growl, but we always recommend a tune so that you can get the most performance out of your exact setup. Q: How long will it take for me to receive this once I order it? A: Our handling time is 1-2 business days, and the shipping time varies based on the shipping method selected. To learn more about shipping times, please see the articles in our Terms & Conditions regarding domestic and international shipping here. Q: I'm located outside of the United States. Will I have to pay duties on this item? A: Some countries charge additional fees when a package is imported and delivered to the recipient. We have no way of knowing or estimating what these fees will be. It is the buyer's responsibility to cover these additional costs. Q: What is your return and warranty policy? A: Please read over our policies thoroughly on our terms and conditions page BEFORE making your purchase. TST Industries Terms and Conditions |
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