Will Running Straight Pipes Hurt My Motorcycle Engine

This deterioration causes leaking which can create an irritating rattling sound every time the vehicle is used. Straight pipes arent that good for a bike because when you let off the throttle the sudden lack of hot gases being pushed out can cause cold air to be sucked in which can damage your exhaust valves and make for a VERY pricey repair.

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If so is it a severe reduction or something I wouldnt much notice.

Will running straight pipes hurt my motorcycle engine. 4 Oct 11 2004. Also is it harmful to the engine in any way. Without proper tuning the more free flowing aftermarket exhaust will generally cause your engine to run lean and promptly lose 5-10 horsepower.

That means youll get a higher HP and your fuel economy will improve slightly at the same time. Straight pipes or drag pipes. The maximum horsepower of two engines may be similar but the horsepower torque curves may be different.

Below the answer is fully explained. A straight pipe for example can cause exhaust gas velocity to increase. Running straight piped has a small effect over the life of the.

Running straight pipes will cause the airfuel mixture to run leaner more air than before I believe. Harleys run straight pipes and other v-twins run straight pipes and it doesnt seem to mess with their motors. Sustaining high rpms for a lengthy amount of time may damage engine.

Not replacing air filter when needed might damage engine. This will likely reduce engine performance below 2000 or 2500 RPM making your vehicle a little slower to launch from a stoplight. No madder how you jet it or tune it straight pipes are not a good idea.

A pipe optimized for high rpm will be large and free flowing but at low rpm the velocity would stagnate and there would be very little to no scavenging affect helping the engine out. As long as the straight pipe was longer and the diameter change equivalent to the other one with the can. Removing the baffles will change how the engine runs.

The motorcycle will likely idle andor run sluggish the engine and exhaust pipes may become hotter than normal the exhaust pipes may start to turn blue and the spark plugs will have little wear on them. If you do not make any changes to the jetting of the carbs or FI mapping then possibly. The only time you could make a case of straight pipes would be on an engine that ran wide open all of the time.

A friend told me that I would lose low end torque with straight pipes. There is some truth to this and that is a stock engine or one modified either way stock exhaust changed to true duals with straight pipes no other changes the valves get cooked due to the mixture being too lean any time that back pressure is reduced the mixture must be. However if the OEM exhaust was extremely restrictive then the computer may not be able to compensate enough.

Dont forget to click LIKE if you enjoyed Subscribe 4 More. Thanks in advance for any help. Running low octane fuel may damage engine.

I agree with the others. Most OE exhausts are not this bad. It will usually cause the engine to run leaner less fuel and a lean mixture burns much hotter that can cause damage.

When your vehicle has straight pipes then people are going to notice. Your vehicle will stand out from the crowd with a straight pipe exhaust. There is however a difference between usable power and maximum horsepower.

It wont hurt the engine but you will lose a lot of low end torque. Your engine requires some back pressure to run correctly and produce the best power in ranges you ride in. With time exhaust baffles may deteriorate due to wear and tear and exposure to exhaust gases and heat.

You could theoretically create two bikes that run the same but one would have a can and the other a straight pipe. Difference would be that one is ridiculously loud and the other quieter. Since exhaust baffles cannot be repaired they will have to be replaced entirely.

That means the engine can perform without the hindrances that are placed on it when using other systems. Again Im not going to do this to my bike but I was just wondering what kind of effects straight pipes would have on a I4 sport bike motor. If you change things on the intake side as well it becomes more likely that youll need a tune since changing both will affect the mixture more dramatically.

Motorcycle exhaust systems are complicated designs and made to allow maximum performance from the motor. Just wondering if anyone with any mechanical know how has an awnser for my question. If a motorcycle is running lean that means theres too much air and not enough fuel in the airfuel mixture in the combustion process.

Police will DEFINATELY like to follow and stop you often too. If you cant tell whether the engine is running too lean which will cause damage to the engine take it to a trusted dealer or friend and get their opinions. That all being said your bikes stock muffler is a free flowing exhaust and your slip on WITH the db killer installed is probably more restrictive those things.

There a lot of variables that can contribute to engine damage. Running too high octane fuel may damage engine. Unless you are drag racing you want the most torque in the 2000-4000 rpm range to make it a quick stoplight to stoplight bike.

I was considering some straight drag pipes for my Heritage. Removing the baffles will also mess up the power curve of the motor. The flat track community has spent countless hours to find that my CRF450 likes a tapered increase diameter post head pipe.

- httpbitlySubieRumbleYouTube Follow Me on Instagram - httpbitlySubieRumbleInstagr. Putting straight pipes on your truck or decreasing your back pressure will not hurt your engine or performance. Joined Oct 23 2002.