Parts for your 2014 Mitsubishi Asx-Exhaust mount

2014 Mitsubishi ASX Exhaust Mounts — what they do and when to replace

Technical sources confirm the 2014 Mitsubishi ASX does use exhaust mounts (also called exhaust hangers or insulators). The Mitsubishi Motors Service Manual for GA1W/GA2W ASX (Group 15 – Exhaust System), the Mitsubishi ASA electronic parts catalogue listings for “Insulator, muffler”, and common workshop references such as Haynes for 2010–2017 Outlander Sport/ASX all show multiple rubber exhaust insulators supporting the intermediate pipe and rear muffler. So exhaust-mounts are absolutely relevant on this model.

On the 2014 ASX, exhaust mounts are those tough rubber isolators that suspend the exhaust from the underbody. Their job is simple but critical: hold the pipework and muffler at the correct height and angle, keep vibrations and noise out of the cabin, and maintain safe clearance from the body, suspension and bumper. The mounts let the system move a little as the engine rocks and the car flexes, without metal-on-metal contact or rattles.

Over time, heat, ozone, road grime and a fair bit of Aussie/Kiwi driving can harden, crack or stretch the rubber. When that happens the tailpipe can sit low or skewed, causing knocks over bumps, extra drone, or strained joints and flex sections.

• Common signs: thuds or clunks from the rear, exhaust touching the body, tailpipe not centred, excess vibration at idle, and visibly perished or torn rubbers.
• Risks if ignored: cracked welds, stressed oxygen sensor wiring, melted bumper sections, or premature failure of the flex pipe.

Best practice for servicing a 2014 ASX is to inspect the exhaust mounts at regular service intervals (every 10,000–15,000 km or annually). On a hoist, check each insulator for cracking, elongation of the holes and oil contamination. A quick silicone spray can help assess movement and prevent squeaks, avoid petroleum-based lubricants that attack rubber. In coastal or high-heat use, check more often as brackets can corrode and rubbers age faster.

Replacement is straightforward with the exhaust safely supported. Swap any suspect mount, and if most are the same age, consider replacing them as a set to keep the system sitting true. Stick with quality OEM-equivalent rubber insulators, very hard aftermarket or polyurethane hangers can raise noise, vibration and harshness. After fitting, verify clearances around the rear beam, heat shields and bumper, and ensure the system isn’t preloaded. Following the workshop manual torque specs for any brackets keeps everything snug without crushing the rubber.

There’s no fixed time limit on these parts, but many ASX vehicles need them around the 6–10 year or 100,000–150,000 km mark, especially if they see rough roads or towing.

Popular questions about 2014 Mitsubishi ASX exhaust mounts

How many exhaust mounts does a 2014 ASX typically have?
Most 2014 ASX models run several mounts across the mid-pipe and rear muffler—commonly three to five insulators depending on engine and market spec. A quick visual under the car will show the rubber hangers at the centre section and near the rear muffler canister.

Can worn exhaust mounts cause rattles only at idle?
Yes. When the rubber softens or elongates, the exhaust can sit closer to heat shields or the subframe and touch when engine vibrations peak at idle. As revs rise, the frequency changes and the noise can fade, which is why some rattles seem “idle-only”.

Is it safe to drive with a torn exhaust mount?
Short distances may be possible, but it’s not ideal. A torn mount lets the system drop or swing, which can stress the flex joint, crack welds, or melt bumper trim. It’s best to have it supported and replaced promptly to avoid bigger repair bills.