997 MAXFLO CARBON FIBER SUPER HIGHFLOW HIGH PERFORMANCE airbox cover lid for all 997 OEM base airbox systems

Performance parts: FREE UPS Ground shipping in the U.S. on every order — no minimum. Expedited UPS options are available at checkout. Parts ship brand new from our partner brands' U.S. facilities; in-stock items typically ship within 1–2 business days, and built-to-order systems can take longer (email us for a lead time before ordering). Typical U.S. transit is 3–5 business days.

Boosted Mayhem apparel & merch: made to order in the USA — 2–5 business days of production plus 3–5 business days in transit (about 1–2 weeks total). FREE U.S. shipping on apparel orders of $65 or more. Under $65, shipping is a flat rate calculated at checkout: $8.49 for hoodies, $4.75 for tees, and $4.29–$4.99 for hats, phone cases and stickers.

We ship to U.S. addresses only. Tracking is emailed as soon as your order ships. Full details on our Shipping & Returns page.

You have 15 days after receiving your item to request a return. Items must be unworn/unused, with tags, in the original packaging, with proof of purchase; a 15% restocking fee applies. Return shipping is paid by the customer — damaged, defective, misprinted or incorrect items are replaced or refunded at no cost to you. Standard-size Boosted Mayhem apparel is made to order but is still returnable under this policy; only personalized or custom-specified items, sale items, gift cards and digital items are final sale. To start a return, email info@boostedmayhem.com for instructions. See the full Refund Policy.