A quieter standard, that's what the Q series is all about, plus they're loaded with other features
100% blue-proof technology with 220° head pipe and muffler heat shields
Proprietary Power Chamber technology for the right horsepower and torque gains all the way through the power band
Slash-cut ends to finish off the look
Made in the U.S.A.
86-06 models require O2 sensor plugs What does every Harley rider want out of their V-Twin? A great rumble and better performance That's exactly what the Double Barrel Staggered delivers with a larger Power Chamber.
The Power Chamber makes more horsepower & torque in the mid-range, for better ride-ability. And with 100% heat shields, the system will look great for miles. Includes provisions for factory O2 sensors.