Exhaust resonator vs muffler, do I need both?

My brother-in-law said that my car will sound cooler if I remove the muffler but keep the exhaust resonator. Is that true, is there a benefit to an exhaust resonator vs a muffler?

Find out if you’re getting ripped off on your car insurance in less than two minutes.
No spam · No long forms · No fees
Find savings (100% Free)
rating white
3.5k Ratings
Answer provided by
Shannon Martin
Answered on May 18, 2022
A cooler sound is subjective, but if you remove the muffler, the exhaust resonator, or both, your car will undoubtedly sound louder!
And do you need both of them? No, your vehicle will run without them, but you might get a few check engine warning lights without them.
As far as sound goes, the exhaust resonator dampens and eliminates specific frequencies that most people find highly annoying while driving. In addition, the muffler has a softening effect on all frequencies.
If you plan on making this vehicle modification, check with your local DMV to ensure your car will still be street legal. If a check engine light comes on, your car won’t pass future emission inspections until repaired. These types of changes can also void any warranties your vehicle may have.
Since you are considering updating your car, take 45 seconds to update your car insurance policy. Jerry, the insurance comparison super app can help make this easy.
Once you download Jerry, just answer a handful of questions, and then you’ll immediately get car insurance quotes for coverage similar to your current plan. As a result, Jerry customers save on average $800+ a year on car insurance.

Here to save on car and home insurance? Great, you do that. We’ll do everything else.

Sign up in under a minute.
No need to fill out forms or shop around. Sign up in 45 seconds to start saving. Jerry does the rest.
Jerry collects and analyzes your current coverage.
Say hello to Jerry, your new insurance agent. We’ll contact your insurance company, review your current plan, then find the coverage that fits your needs and saves you money.
Get the best options before your renewal.
Jerry does all the picky, busy work by comparing prices and coverage from more than 50+ insurance companies. We compare what we find to your current policy and offer you the three best options before every renewal.

Easiest way to compare and buy car insurance

No long forms
No spam or unwanted phone calls
Quotes from top insurance companies
Find insurance savings — it's 100% free