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MUFFLER / EXHAUST

Muffler & exhaust services in Oklahoma City | Muffler King

WELCOME

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What for?

If youre hearing strange noises, smelling exhaust fumes, or seeing reduced fuel economy, your muffler or exhaust system might need attention. At Muffler King in Oklahoma City, we specialize in everything from custom exhaust fabrication to OEM muffler replacements, providing high-performance and cost-effective solutions for all make and models -  domestic, foreign, gas , or diesel.

Muffler repair and replacement 

Restore quiet, fuel-efficient, and safe driving with expert muffler diagnostics, repairs, or full replacements.
We service stock and custom mufflers, address corrosion or physical damage, and can tune your vehicle's sound and performance to your liking.

  • Stock/OEM Mufflers 

  • ​Custom fit mufflers

  • Performance mufflers (Flowmaster, Borla,..)

  • Rusted or corroded muffler replacement

  • Quiet or aggressive tone options

Exhaust pipe repair & custom fabrication

Whether your exhaust pipe is cracked, rusted, or bent, we’ll fabricate or replace it to meet or exceed OEM standards.
We offer custom welding, mandrel-bent pipes, and stainless steel upgrades for longevity and performance.

  • Bent, leaking, or rusted exhaust pipes

  • Mandrel-bent custom exhaust fabrication

  • Pipe welding and flange replacement

  • Stainless steel and aluminized options

Catalytic Converter Services

Keep your emissions legal and your check engine light off with professional catalytic converter repair and installation.
We provide theft-resistant options, high-flow upgrades, and compliance with Oklahoma emissions laws.

  • OEM & aftermarket catalytic converter replacement

  • High-flow catalytic converter installation

  • Catalytic converter protection/anti-theft cages

  • Emissions testing prep

Resonator Delete / Install

Modify or tune the sound of your exhaust with resonator deletes or installs — designed for style and performance.
Perfect for drivers wanting either a more aggressive sound or a more refined tone.

  • Improve exhaust tone and flow

  • Custom resonator installs and removals

Full Exhaust System Performance

Take your vehicle’s performance and sound to the next level with complete exhaust system upgrades and conversions.
We offer bolt-on kits and custom builds for muscle cars, sports cars, lifted trucks, and more.

  • Cat-back exhaust systems

  • Axle-back exhausts

  • Turbo-back exhaust systems (for diesels)

  • Dual exhaust conversions

  • Tuned performance exhaust packages

Diesel Exhaust Services

Your diesel truck deserves power, torque, and clean emissions — and we’ve got the right tools and knowledge to deliver.
We handle everything from DPF replacements to custom turbo-back diesel exhaust systems.

  • DPF (Diesel Particulate Filter) diagnostics and replacement

  • DEF system repairs

  • Turbo-back diesel exhaust upgrades

  • EGR exhaust pipe services (legal services only)

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