Technically, the RPM range you often hear from an automotive professional determines the length of your Suzuki header primary pipe. On the other hand, its diameter which is governed by engine displacement, valve diameter, and valve curtain area is determined by camshaft dimensions. But what is a header pipe, anyway? This exhaust component serves the passageway of the exhaust gases from the engine and into the other ports of the system. It is designed, either as a small pipe enough to maintain the strength of the compression waves and suction waves in the pipes, or a large pipe enough to allow optimal flow of gases passing the exhaust valve, and down to the other header pipes. Moreover, Suzuki header pipe must have a proper length in order to ensure that the scavenging wave that will be reflected back to the exhaust valve will arrive at the correct timing. As a result, the Suzuki header will be producing the best torque and horsepower from your vehicle's engine over its operating RPM range. When you want to replace your original component, the basic engine mechanical specifications will help you determine the diameter of the Suzuki header pipe replacement that you should purchase. The overall length of the Suzuki header pipe is governed almost exclusively by the target engine's rpm range, which is dependent upon wave tuning. But the diameter of your Suzuki header pipe may vary from its kind, whether it is a primary header pipe or a secondary header pipe. When the time comes that your Suzuki header pipe gets damaged or needs to be replaced, this is the right place where to trust your replacement need. We carry wide selection of quality header pipes from which you may find the one the fits perfectly to your header without having to cut, weld or fabricate anything at all.