ALIEN PROFORMANCE EXHAUST SYSTEM FOR XR50 AND CRF50 ALIEN/XR/CRF50$129.95 #1 *FRONT_LOWER BLACK HEAT_SHIELD ALL_XR50_CRF50 Z50R_80_TO_99 XR70_ALL CRF70_TO_06 TRX90_93_TO_05 7/11M (XR5_105) XR5-105$16.35 *#2 LARGE SIDE HEAT SHIELD 12/10A (XR5_106) BLACK LOUVERED SHIELD XR5-106$38.99 *#3 EXHAUST DONUT GOES INSIDE HEAD PORT 16c$2.49 #4 O-RING STYLE GASKET (261C) GOES ON BAFFEL IN MUFFLER 261C$4.99 #5 HEAT INSOLATOR WASHER KEEPS THE SHIELD COOLER XR5-109$2.98 #6 MUFFLER INCLUDES 4-7-10 JUST THE BARE MUFFLER AND 4/7/10 XR5-110$142.99 #7 SPARK ARESTER/BAFFEL #7 ONLY XR5-111$36.95 #8 *REAR_HEAT_SHIELD BLACK ALL_XR50_CRF50 Z50R_80_TO_99 XR70_ALL CRF70_TO_06 (XR5-112) XR5-112$12.49 #9 RUBBER BUMPER KEEPS THE MUFFLER FROM MELTING SIDE COVER XR5-113$1.49 #10 BOLT FLANGE 6X10 (261D) HOLDS THE BAFFEL/SPARK ARRESTER IN MUFFLER 261D$1.49 #11 PAN HEAD SCREW 5 X 6 MM LOWER HEAT SHIELD SCREW SOLD EA XR5-115$0.50 #12 *FLANGE_NUT_6MM 8/10A (XR5-116) XR5-116$0.73 #13 (BLACK COLOR) WASHER FLAT 5MM FLAT WASHER FOR LOWER HEAT SHIELD XR5-117$0.50 #14 WASHER FLAT 6MM USED ON LARGE HEAT SHIELD XR5-118$0.50 #15 LOCK WASHER 5MM USED ON LOWER HEAT SHIELD XR5-119$0.50 #16 BOLT FLANGE 8 X 35 REAR MUFFLER MOUNTING BOLT XR5-120$0.99 #17 BOLT FLANGE 6 X 12 12/10A (XR5_121) HOLDS LARGE HEAT SHIELD TO MUFFLER XR5-121$0.79