Parts for your 2017 Subaru Xv-Exhaust mount

2017 Subaru XV Exhaust Mount — What It Is, Why It Matters, and When to Replace It

Is an exhaust mount relevant on a 2017 Subaru XV? Yes — absolutely fitted and fundamental. Technical documentation backs this up: the Subaru XV/Impreza GP-series workshop manual (Exhaust System section) specifies removing and refitting the “hanger rubber” during exhaust work, and the Subaru parts catalogue (EPC) for the 2012–2017 XV lists exhaust hangers/insulators and brackets for the centre pipe and rear muffler. Those items are the exhaust mounts, and they’re there from factory.

On this XV, the exhaust mounts are primarily rubber insulators on metal pegs, with a couple of brackets tying the system to the body. Their job is to suspend the exhaust, keep the muffler and pipework aligned, and isolate vibration so the cabin stays quiet. They also allow just enough movement to cope with heat expansion and the boxer engine’s characteristic pulse without letting the system knock against the underbody.

Over time the rubber can perish, crack, or stretch. When that happens, owners might notice knocks over bumps, a tinny rattle at idle, a tailpipe that sits off-centre in the bumper cut-out, or extra vibration after a cold start. Because there’s no fixed replacement interval, good servicing practice on a 2017 Subaru XV is to inspect the mounts whenever the car’s on a hoist — typically at each scheduled service or any time the exhaust is off for other work. Look for splits in the rubber, elongation of the holes, or overly soft, oil-soaked insulators.

Replacement is straightforward with the right approach: support the exhaust, spritz the hangers with silicone spray or soapy water, and lever the old insulators off the pegs. Refit new, quality rubber insulators in the same orientation and ensure all brackets and fasteners are torqued to factory spec per the workshop manual. If the vehicle regularly tows, sees rough roads, or carries a heavier aftermarket exhaust, consider slightly firmer hangers to help control movement — just avoid going so stiff that vibration makes its way into the cabin.

Keeping those humble mounts in top nick helps protect flex joints, O2 sensors, and welds from undue stress, and it prevents annoying knocks that can masquerade as bigger suspension issues. It’s a small, cost-effective win for long-term reliability on the XV.

• Check at every service or 20,000 km.
• Replace if cracked, sagging, or if the exhaust is contacting the body.
• Use silicone spray for easier removal/fitment, support the system at all times.

Popular questions about 2017 Subaru XV exhaust mounts

How many exhaust mounts does a 2017 Subaru XV have?

Typically there are several rubber hangers supporting the centre pipe and rear muffler, plus brackets to the body. The exact count can vary with trim or market. A quick look under the rear and mid-section will reveal them, the workshop manual and parts catalogue diagrams show their positions clearly.

What are the signs my XV’s exhaust mounts need replacing?

Common clues include a rattly exhaust at idle, clunks over speed humps, a tailpipe that’s not centred, or visible cracks and stretched holes in the rubber insulators. If the exhaust can be rocked by hand more than expected or it touches heat shields, the mounts are likely tired.

Can I upgrade to stiffer or polyurethane mounts?

Yes, some owners fit firmer mounts to control movement, especially with aftermarket systems. Just keep in mind that very stiff mounts can transmit more vibration into the cabin. For a daily-driven XV, quality OEM-style rubber is usually the best balance.