You need gear that both lets the air hit your body but that is protective enough to help keep you safe on the road

OEM part number for reference

8cm) to 8" (20

625 gear drive cams are for 95"-110" engines with compression ratios from 10:1 to 10

two brothers racing gen ii megaphone 2 into 1 exhaust for harley Fits:86-03 XL Sportster You need gear that bothTBR Gen II Megaphone 2 into 1 Exhaust for Harley Davidson Upgrade your Harley Davidson with the Two Brothers Racing Gen II Megaphone. This is a premium 2 into 1 system designed to deliver maximum horsepower and torque with a bold aggressive sound. The exhaust emerges from the collector into a 4" diameter muffler to deliver an unparalleled sound upon exit. Generation II exhausts feature classic megaphone style mufflers with a welded on reverse cone.