High on Boost Cup Holder Inserts

High on Boost Cup Holder Inserts

Our cup holder mods are great, but what if you want a tighter fit? Our adjustable insert shrinks your holder down to perfectly fit slimmer cans. Choose the Size M insert for standard slim energy drinks (330ml Neutonic, 355ml Red Bull), or go smaller with our Size S insert to perfectly grip slim cans (250ml Red Bull). No more rattling, just a secure, custom fit for your drink of choice.

🔒 Secure Fitment – Sits snug and sturdy, yet easy to remove when needed.
🛡️ Lifetime Warranty - Risk-free and complete peace of mind.
☑️ High Safety Standard - EU & FDA food contact certified.
🇬🇧 Designed & Made in the UK – Built for VW and BMW owners who actually use their cars.

📦 What’s Included

• High on Boost Cup Holder Inserts

🛡️ Warranty & Guarantee

• Lifetime Warranty: Complete peace of mind.
• No-Questions-Asked Replacements: If it breaks, we replace it. It’s that simple.
• Built for Extremes: Manufactured from high-toughness materials designed to withstand extreme cabin heat and harsh climates without warping.
• Safety Standards: REACH, ROHS, EN71-3, EU & FDA food contact certified 

✅ Compatibility

• Size S Insert will fit slimmest 250ml cans (eg. Red Bull)
• Size M Insert will fit slim 330ml and 355ml cans (eg. Red Bull, Neutonic)
• HOB Cup Holder Mod (without inserts) will fit the wider 330ml/500ml cans & bottles

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