How to Change your Car’s Exhaust

2 min read

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The exhaust system in your car plays a number of critical tasks in keeping your car running smoothly and silently. It helps to move the engine’s exhaust gasses from the front of the car to the back, where they are vented. 

Some exhaust system parts, namely the resonator and the muffler, also contribute to engine noise reduction. Every car would sound like a race car if it didn’t have an exhaust system.

If you’re wanting to install a new exhaust system, chances are you’re either looking to improve the sound and performance of your vehicle’s exhaust system, or the existing exhaust system on your vehicle is old and corroded and isn’t doing its job properly. 

You can replace an exhaust system yourself if you have the necessary equipment, parts, and patience. As long as you use exact-fit replacement parts, this job is rather straightforward.

Invest in the exhaust. It is advised that you buy a bolt-on exhaust system for your car. You can look around for the greatest prices on a factory replacement or a performance full exhaust system. KSA cars exhaust leakage often, so always make sure you’re getting yourself a good deal on a car.

Prepare your Car

Before investing in the exhaust, you must know a little about car exhausts. It is advised that you buy a bolt-on exhaust system for your car. You can look around for the greatest prices on a factory replacement or a performance full exhaust system.

Park your vehicle on a level surface. Make sure the car is turned off and parked on a flat surface.  Raise the vehicle using a jack or a car lifter if you have it in your garage. You can use the floor jack and safety jack stands to safely lift the vehicle off the ground. 

Under the vehicle, place all four jack points. Also, all the hardware must be sprayed with a penetrating catalyst. Spray all the nuts and bolts liberally with PB Blaster and let it soak in for about 5 minutes.

Read More: Why is My Used Car Exhaust Backfiring?

Removing the muffler from the vehicle

Begin by removing the muffler from the back of the vehicle with a ratchet and the necessary size 6 pointed socket. The exhaust should have two bolts that need to be removed. After removing the bolts, slip the muffler off the rubber hooks and remove it from the car. If your car has two mufflers, you’ll need to repeat the process again for the second one.

Remove the catalytic converter

Remove the catalytic converter’s bolted center section of the exhaust. Two or three bolts might be attached to the external lip that connects to the catalytic converter end. Which must be removed. Slide the pipe off the rubber hangers and leave it aside once the hardware has been removed. 

Remove the rubber hangers from the hooks. Remove the old rubber hangers and replace them with new ones. Replace the rubber hangers. Replace the rubber hangers with the new central piping.

Muffler has been replaced

Replace the rubber hangers with the new muffler. Replace the gasket. Between the catalytic converter and the new exhaust, install a new gasket. Fasten this flange together with the new hardware. 

Fix the flange in place. Find the flange that connects the muffler to the center piping. Install a new gasket and hand-tighten the flange with the new hardware.

Finalize your work

At last, you’re almost done just make sure the bolts are properly tightened. Fine-tune the exhaust system’s position. Check that the exhaust is resting freely on the rubber hangers by tightening the bolts at each flange. 

Start the car while it is still in the air and listen to the new exhaust. Examine each flange for signs of exhaust gas leakage. Its better to inspect your work while the car is still hanging up so in case if anything is not working properly you can always fix it right away.

If there is a leak, you should be able to hear it. Put your car back on the ground if everything feels right.  Turn off the vehicle once you’ve confirmed there are no leaks. Remove the safety jack stands with a floor jack and lower the car to the ground.

Take a test drive in the vehicle

Whether you replaced your exhaust because it was damaged or you wanted to improve its performance, remember to drive carefully over driveways, speed bumps, and dips. If you pull into a driveway too rapidly, the exhaust is exposed somewhere under the car and can be harmed.

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