A stock system is designed to reduce and if possible eliminate all the noise produced by your vehicle. Because of this, the axle-back exhaust system does not impact the flow or pressure of the exhaust gases in any way. The axle-back exhaust system uses the factory exhaust pipe which does not have a large diameter. This offers even more breathing space for the engine thus better performance. Most cat-back exhaust systems are customized and not universal. One is to replace specific parts like with cat-back exhaust systems.
At Euro Car Parts, we have exhaust parts to help you do just that. It is important to note that the fuel saving will be more noticeable when traveling at freeway speeds than city driving, but if you spend a lot of your day on the road, you’ll likely notice the difference. View our technical tips to help you install, learn about and maintain your exhaust system the right way.
Typically, that includes a mid-pipe, muffler, tailpipe and tips. Cat-backs generally yield increases in performance, due to the more efficient flow of exhaust through upgraded parts like larger diameter tubing and better flowing mufflers, as well as improved sound and reduced weight. For starters, the "cat" in catback exhaust system is short for "catalytic converter", a central part of your car’s emission control system, which cat back exhausts are fitted behind, hence the "back". This relatively simple mod helps to free up exhaust gas flow and improve the noise of your engine by swapping out part of your exhaust system with a specially designed