Exhaust pipe baffles. Baffles reduce the amount of sound produced by the exhaust most commonly on an internal combustion engine by forcing the exhaust flow to take an indirect route before exiting the muffler. The small end doesnt extend past the forward end of the muffler outlet pipe. The baffle is inserted into the exhaust pipe in the direction that is shown. First design is 2 pipe inside the 3. This one is a straight thru design used for drag racing and it fits 35 inch exhaust pipe. On newer models it may be necessary to remove the tailpipe section to modify the baffle. I just got a great way to reduce exhaust loudness and drone for my custom 964 exhaust. New motor Motorcycle Exhaust Muffler DB Killer Silencer Insert Baffle Can 42mm.
Not only do they quiet a bike 10 to 15 db but they also increase horsepower and torque. Exhaust in-pipes baffles noise reducing Pelican people After referring to pelican posts now it is my turn to post something useful for others. Baffles are essentially perforated pipes installed inside the exhaust system and designed to slow down the speed of gases and create the required level of backpressure for optimal function of the motor. Is it bad to run a Harley without baffles. After rebuild and of course mod my engine 38l cams 993 HE chip one of my friend made a custom exhaust. They provide just enough backpressure to fine tune your engine. Keeping this in consideration what is the purpose of a baffle in an exhaust.
Unlike side pipe glasspacks and reverse flow mufflers that are restrictive and rob your engine of horsepower HP our baffles allow exhaust to flow like it should. Adjustable 80mm Long Exhaust Baffle Fits 47-49mm Exhaust Pipe Baffle OD. But back to riding without a baffle. This one is a straight thru design used for drag racing and it fits 35 inch exhaust pipe. The baffle and all the interior diameters of the exhaust pipe are where the sound of the engine is totally modified.
New motor Motorcycle Exhaust Muffler DB Killer Silencer Insert Baffle Can 42mm. They are specifically designed to cancel out louder sounds emanating from the vehicle exhaust while simultaneously allowing softer sounds to pass through. The baffle is inserted into the exhaust pipe in the direction that is shown. In two-stroke engines backpressure pushes unburnt gases back into the chamber for combustion which improves fuel efficiency.