Are there drag pipes on the drag strip?
Drag pipes do have their place. It is on the drag strip where the engine runs in a very narrow RPM band. On the street, stick with proven winners. Dyno testing of exhaust systems for EVO and Twin Cam engines is now available.
Can a stock exhaust system be changed to drag pipes?
As a resulting of changing a stock exhaust system to Drag Pipes, most engines promptly lose 5-10% of the power the engine produced. By properly re-jetting the carburetor and adding a free flowing air cleaner to an engine with drag pipes, the maximum horsepower produced will improve over the stock engine.
What kind of horsepower does a drag pipe have?
A typical drag pipe produces a horsepower curve that initially rises very slow. As the RPMs start to rise above mid-range power, the curve begins to rise at increasing rate until maximum horsepower is achieved.
How big is a football shaped drag pipe?
The “football” shaped head on the screws measure approximately 3/4″ x 1/2″ so they have about the same surface area as the 3/4″ o.d. washer because of the lack of the hole. And they do not require any fabrication. It is amazing what a little creative thinking can come up with.
Drag pipes do have their place. It is on the drag strip where the engine runs in a very narrow RPM band. On the street, stick with proven winners. Dyno testing of exhaust systems for EVO and Twin Cam engines is now available.
Is the exhaust pipe gutted on a V-twin?
O a note on the exhaust it has been gutted but the end cap of the baffle has been drilled with a slightly larger hole and placed back in the pipe to help keep a mild amount of back pressure Guess this thread isn’t going anywhere.. Any one got good opinions on the best ppl to buy from?
How do you make a tunable baffle for a drag pipe?
Make a tunable baffle by purchasing a 1/4″x1″ thumb screw or taking a 3/4″ outside diameter washer and weld it to the top of a 3/4″ x 1/4″ bolt. Now Drill a 1/4″ hole about 1″ from the end of the drag pipes.
As a resulting of changing a stock exhaust system to Drag Pipes, most engines promptly lose 5-10% of the power the engine produced. By properly re-jetting the carburetor and adding a free flowing air cleaner to an engine with drag pipes, the maximum horsepower produced will improve over the stock engine.