15% OFF WIPER BLADES Valid at Rusnak/Westlake Porsche only. Offer is plus tax, shop supplies, hazardous waste fee, if applicable. Not to be combined with any other specials offers or coupons. Offer applies to in-store purchases only. Must present coupon at time of write-up. No cash value. Other restrictions may apply. Void where prohibited. Offer expires 03/31/18.