Best in 7 days
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Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Royal Purple Max-Boost Octane Booster - 16ozRoyal Purple Max Boost is a high performance octane booster and fuel treatment that increases gasoline octane, reduces emissions, and enhances engine performance while stabilizing fuel. Max Boost is formulated with MMT, which delivers the best octane enhancement to help eliminate engine damaging detonation, pre ignition, and pinging or knocking from low octane gasoline.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.1 ★★★★★
Based on 620 reviews
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Product Reviews
★★★★★ 1
Made in China
Style: All Season, Size: Full/Queen
Product listing says made in America, is actually made in China
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2025
★★★★★ 3
Misleading description
Style: All Season, Size: King, Style: All Season, Size: King
I compared a lot of down comforters before purchasing. The description said Made in the USA which was a half truth.
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Love it!
Style: All Season, Size: King
Very comfortable for all seasons.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2025
★★★★★ 2
Nit made in USA
Style: All Season, Size: King, Style: All Season, Size: King
Despite the ad saying it is made in the USA the tag says shell made in China.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Wonderful
Size: Cooling Queen, Size: Cooling Queen
I absolutely love these pillows From the very first night, I could feel the difference. They are incredibly comfortable, soft, and still provide great support for my neck and head. Plus, the modern design makes my bed look so much cleaner and more elegant. The fabric feels high quality, and the pillows keep their shape really well. I genuinely feel like I’m sleeping better since I started using them. Great value for the price, and I would definitely buy them again. Highly recommend
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Reviewed in the United States on May 27, 2026
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