Amazon offers a selection of 3M Headlight Restoration Kits, as listed below, with prices starting at $6.99. Plus, two kits are eligible for the extra 5% off Subscribe & Save discount. Even better, each item qualifies for this $5 mail-in rebate, dropping prices to as low as $1.99. All orders receive free shipping. Rebate expires December 31. The deals, with prices after Subscribe & Save (where applicable) and $5 mail-in rebate: If you placed an order via Subscribe & Save, be sure to cancel your subscription after your order arrives to avoid being billed for subsequent shipments.