Carlos Mendoza
Master Technician & Owner
15+ years in the exhaust industry. ASE certified with expertise in performance systems and diagnostics. Passionate about mentoring the next generation of technicians.
Our Story & Expertise
More than just a muffler shop — we're your partners in performance
Family Owned & Operated
Our Legacy
Built on
Experience & Trust
Since 2012, Mufflex has been the trusted choice for El Dorado drivers who demand quality exhaust work. What started as a small operation has grown into the premier destination for muffler and exhaust services in south Arkansas.
Master Technicians
Our team holds certifications from leading manufacturers and brings decades of combined experience to every job.
Local Commitment
We're not a chain or franchise — we're your neighbors. When you call, you talk to real people right here in Arkansas.
Quality Guarantee
We stand behind our work with a 100% satisfaction guarantee. If you're not happy, we're not happy.
Community Focused
We've built lasting relationships with customers throughout Union County and beyond by delivering honest, reliable service.
Our Team
Meet the
Masters
Our technicians are the heart of Mufflex. Each team member is certified, experienced, and passionate about delivering exceptional results on every vehicle that comes through our doors.
Sarah Thompson
Lead Technician
Specializes in catalytic converter services and emissions diagnostics. Known for her attention to detail and commitment to customer education.
Marcus Johnson
Performance Specialist
Our performance guru with extensive knowledge of aftermarket systems. Helps customers choose the right setup for their goals and budget.
Jennifer Walsh
Service Advisor
Your first point of contact. Translates technical information into plain language and ensures every customer feels informed and valued.
Why Choose Us
The Mufflex
Advantage
We don't just fix exhaust systems — we build relationships and deliver results that keep customers coming back for years.
Same-Day Service
Most repairs completed in just a few hours. We understand your time is valuable and work efficiently without sacrificing quality.
Transparent Pricing
No hidden fees, no surprises. We provide clear, upfront quotes and explain exactly what we're doing and why.
Premium Parts
Only OEM-quality and top-tier aftermarket components. We never cut corners on parts that affect your vehicle's performance and safety.
Local Expertise
Deep knowledge of Arkansas driving conditions and vehicle needs. We understand what works best for our community.
Free Diagnostics
We offer free exhaust system diagnostics with any service. Know exactly what's going on before making any decisions.
Personalized Service
We take the time to understand your specific needs and goals, whether you're looking for quiet operation or maximum performance.
Service Areas
Serving
Union County
Based in El Dorado, we proudly serve customers throughout Union County and surrounding areas. If you're within driving distance, we've got you covered.
Visit Our Shop
504 West Hillsboro Street
El Dorado, AR 71730
Service Areas
El Dorado, Smackover, Strong, Junction City, and all of Union County, Arkansas
Call Ahead
Give us a call before you come in to ensure we can accommodate your needs promptly.
Ready to Experience the Difference?
Contact us today to schedule your exhaust service or consultation.
Customer Stories
Trusted by
Arkansas Drivers
Don't just take our word for it. Here's what some of our satisfied customers have to say about their experience with Mufflex.
"I've been bringing my trucks to Mufflex for years. They know their stuff and always do quality work. When I need exhaust work done, there's no other place I'd go in south Arkansas."
Robert Jenkins
Commercial Truck Owner
"
"My wife's car was having trouble starting and the check engine light was on. These guys diagnosed it quickly, explained the issue clearly, and fixed it right away. Honest, professional service."
Michelle Davis
Local Resident
"
"I was hesitant about performance upgrades, but they walked me through my options and helped me choose something that fits my budget and goals. The sound is perfect!"
Jake Thompson
Performance Enthusiast
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