The resonator delete can sometimes improve your overall horsepower rating if there is heavy buildup within your vehicle’s exhaust system.
Your goal is to create a little back pressure on the engine to create better efficiencies, but not create something that is close to a blockage.
Does removing resonator make car louder?
A resonator makes your overall exhaust note louder and more aggressive. It’s not quite a straight-pipe, but it isn’t too far off.
Do you need a resonator on your car?
Performing like an echo chamber, it minimizes sound for a quieter driving experience. More than just the reduction of noise, an exhaust resonator also improves the overall performance of the engine. You will end up having a smoother driving experience since the car can produce higher horsepower and use less fuel.
Is a resonator delete legal?
Any exhaust modification behind the cats is legal, Removing the cats is illegal, Getting high flo cats is legal. You can remove the resonators and mufflers and still be legal. If you have the PE, a muffler delete will throw codes and send the car into semi limp mode. Just FYI for anyone who wants to do it.
Photo in the article by “Wikipedia”