Exhaust Repair in Washington UT
From muffler repair to full exhaust upgrades — we handle the complete system.
Exhaust leaks waste performance, increase noise, and allow exhaust gases into the cabin. Whether it's a stock repair or a performance upgrade, we do clean installs — proper hangers, proper clearance, proper welds.
ExhaustServices
Muffler Repair & Replacement
OE and performance mufflers. Correct fit, correct hangers, correct sound.
Catalytic Converter Service
OE-quality direct-fit and universal converters. Diagnosis first — we don't replace a cat that isn't the actual problem.
Exhaust Pipe Repair & Fabrication
Custom pipe bending and welding when off-the-shelf parts don't fit lifted or modified vehicles.
Exhaust Manifold Repair
Cracked manifolds, broken studs, and blown gaskets diagnosed and repaired — a common failure on high-mileage trucks.
Performance Exhaust Upgrades
Cat-back systems, long-tube headers, and axle-back kits. Installed clean, welded when required, aligned properly.
WarningSigns
- Louder-than-normal exhaust note or a raspy/tinny sound
- Rattling or clunking under the vehicle over bumps
- Decreased power, poor fuel economy, or hesitation
- Exhaust or 'rotten egg' smell inside the cabin
- Visible rust, holes, or broken hangers under the vehicle
- Check engine light with O2 or catalyst-related codes
PerformanceUpgrades
Cat-back exhaust systems, long-tube headers, and performance mufflers for trucks, Jeeps, and Broncos that want more sound, less back-pressure, and real usable power gains.
We install MagnaFlow, Corsa, Borla, MBRP, Flowmaster, and other brand-name systems — with hangers indexed correctly, no rattles, and proper clearance from fuel lines and driveline components. The install matters as much as the parts.
Serving Washington, St. George, Hurricane, and all of Washington County.
Repair, Replace, or Upgrade
Whether it's a broken hanger or a full cat-back — done right the first time.
Frequently AskedQuestions
How do I know if I have an exhaust leak?
Louder-than-normal engine noise, a tinny or raspy tone under acceleration, or a ticking sound at cold startup that fades as the vehicle warms up. Any exhaust smell inside the cabin is serious — carbon monoxide is odorless but exhaust gases carry it. Get it diagnosed immediately.
Can you install aftermarket exhaust?
Yes — cat-back systems, headers, and axle-back kits for trucks, Jeeps, and Broncos. We install brand-name systems (MagnaFlow, Corsa, Borla, MBRP, and others) with proper hangers and clearance.
Do you work on diesel exhausts?
Yes. We service diesel exhausts including DPF, DEF, and factory emissions systems on Power Stroke, Cummins, and Duramax platforms. We keep diesel work compliant with federal law — no emissions tampering, just proper diagnosis and OE-quality repair.
Ready to GetStarted?
Call MST Motorsports today or schedule your appointment online. Serving Washington, St George, Hurricane, and all of Southern Utah.