Harley Davidson Exhaust Back Pressure

Considering how much the stock exhaust chokes the motor any open baffle system around 1 34 inches would suffice.
Harley davidson exhaust back pressure. TAB Performance is a leader in manufacturing high performance motorcycle exhaust pipe systems mufflers and accessories for Harley-Davidson and Indian motorcycles. But back to riding without a baffle. The rider often believes that by reducing back pressure in the exhaust system the engine will also increased.
With single pipes what is important is pressure wave tuning each exhaust pulse sets up a pressure wave that bounces back and forth between the port and pipe end. Harley Davidson is developing a dynamic exhaust system design that redirects exhaust gases depending on engine RPM and throttle opening. The end of the hose is supposed to suck and the exhaust is supposed to blow.
Back pressure helps to cool the exhaust valve as well as. Ever since Cobra introduced the 909 slip ons they have been getting requests for a version that aligns perfectly with the bags. The back pressure is the negative half of the sign wave the exhaust flow is the positive half of the sign wave.
The exhaust system has 2 paths for the exhaust with a cable operated valve directed by a control unit sensing engine speed and throttle opening. Youll know if you have too much back pressure as the motor wont rev quickly the pipes will turn cherry red at the exhaust port and the motor will over heat. Performance will still suffer on the lower end since there is no ability to scavenge gases as with a 2-1 or stock Harley exhaust.
The worst you can do is free up some air movement - which is. We got our start making exhaust pipes for the V-ROD and now make exhaust for all of the Harley-Davidson and Indian Platforms. On the market today they range from about R6000 up to as much as R20 000.
Due to EPA regulations often times getting your bike to sound like a Harley means you need to make it louder. Cobra 909 Uppercut Slip On Harley Davidson Exhaust. The most common part replaced on a new Harley-Davidson motorcycle is the exhaust system.