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I discussed in my last post about the implications because of installing an aftermarket sports exhaust system which are obviously great for your car. The performance of the exhaust system is mainly dependent upon its bent of tubing so first I will discuss what types of tubing you may find in the market. There are two types of bents. Crush Bent and Mandrel Bent. The later is much appreciated by the car enthusiasts however the crush bent is generally found in factory fitted exhaust systems of the cars. Making the story short, coming quickly to the merits and demerits of mandrel bent exhaust tubing.

Advantages:

As I said mandrel bent exhaust tubing is much appreciated by those who love to drag their cars beyond its limits. The reason is fair enough. Exhaust tubing with mandrel bent have an even diameter through out their piping system and due to this evenness, the gases produced in the engine bay easily pass through the system and outside the car without the restrictions as they have to face in crush bent exhaust tubing where the diameter of the inside becomes smaller and uneven as it is caused to "crinkle" by pressure bent.

Mandrel bent are similar to crush bend to the extent that they are also pressurized but an additional die is added which prevents the tubing to crinkle and hence the surface remains even. As a result, a constant circle allows a smooth flow of gases and better power and efficiency of the car. The mandrel bent are also adored because they also create the famous growling sound of the car which reflects the power of its engine.

Disadvantages:

The demerits of such type of exhaust tubing would definitely be the cost factor. Generally these type of sports exhaust system are more expensive than normal, factory fitted, stock exhaust system. Similarly an advantage of it can also be regarded as a disadvantage. i.e. the sound it produces. This sound can be disturbing for many "peace lovers" and can deem it as a mere "sound pollution". In the end, its not necessary that every car will compliment the mandrel bent exhaust tubing (system). Some power loss has been observed in the cars and apparently the exhaust system did not work as it was suppose to. So car keeping in mind the engine's specifications are necessary otherwise all your hard work and wealth will go in vain.