Come to our Service Department and get your bike Dyno-tuned. 15% off this week only! (Parts not included.) (Coupon cannot be combined with any other sale or offer. Coupon is not redeemable for cash. Coupon is valid 10/12/07-10/18/07.) Present this coupon to: Grand Rapids Harley-Davidson 2977 Corporate Grove Drive Hudsonville, MI 49426 Select File and Print to print your coupon. (PC Ctrl+P or MAC Apple+P)