Using Promo Codes when shopping at LMPerformance is just a few steps: You need to log in to your existing account at lmperformance.com or create a new account of your own; then, to select a product, you can browse the lmperformance.com product page to select a product and add it to your cart. Occasionally, they will offer you discounted products up to 50%. Next, it will jump to the payment page, select Coupon Codes of your LMPerformance on the payment page, and complete the payment. Also, welcome to this promotion from LMPerformance on October: Get Up To 50% Off Rakuten | Click Here.