Exhaust System Repair Services in Ronkonkoma, NY

Exhaust System Repair

If you hear rattling, smell fumes, or see too much smoke, you need to address the issue immediately. Ignoring exhaust issues risks engine damage, EPA fines, and unsafe driving conditions. Medium and Heavy-duty exhaust repair helps you fix the root cause and keep your trucks compliant and efficient.

Truck Exhaust Repair in Ronkonkoma, NY

Your truck’s exhaust system is vital in emissions control, fuel efficiency, and engine health. Over time, exhaust pipes rust, sensors fail, and backpressure builds. That can mean loss of power, failed inspections, or even costly damage to your aftertreatment system. You may also breach emissions regulations, which can result in a fine of $45,000+ per noncompliant vehicle.

At K&M Truck Repair, we diagnose and repair the full range of truck exhaust repair issues. From EGR valve replacements to DEF line repairs and DPF regeneration, we help your truck breathe easier and run cleaner.

Our services include:

  • Full exhaust system repair and diagnostics
  • Exhaust pipe repair and replacement
  • Muffler, resonator, and stack replacements
  • DEF line repairs and diesel exhaust fluid (DEF) system repair
  • EGR system cleaning and valve replacements
  • DPF regeneration support and emissions reset

Experience the K&M Difference!

You can’t afford to take chances when it comes to your emissions and performance. At K&M Truck Repair, we’re here to keep your fleet compliant, efficient, and on the road with minimal downtime.

Here’s what you can expect:

Dealer-Quality Repairs: We match or exceed OEM standards using high-quality materials and certified diagnostics.

Relentless Diagnostics: From failing sensors to DEF line blockages, we find and fix the source quickly.

Outstanding Customer Service: Clear updates, honest recommendations, and repairs scheduled around your needs.

Contact Us About Semi Truck Exhaust Repair Now: Call 631-331-0066!

Notice smoke, noise, or engine performance issues? Call 631-331-0066 now to book your semi-truck exhaust repair.
Short on time? Text our service team at 833-267-3752, and we’ll get back to you as quickly as we can and book you in for your exhaust service.

FAQs

What areas do you serve for medium heavy-duty exhaust repair?

We are located at 3045 Veterans Memorial Highway, Ronkonkoma, NY 11779, and proudly serve all of Suffolk County and parts of Nassau County.

Is it bad to drive a truck with an exhaust leak?

Yes, it is bad to drive a heavy-duty or medium-duty diesel truck with an exhaust leak. It can lead to decreased engine performance, reduced fuel efficiency, harmful emissions entering the cab, and potential damage to components like the turbocharger or DPF due to incorrect backpressure.

How do I know if my truck's exhaust needs repair?

Signs your medium or heavy-duty diesel truck's exhaust needs repair include loud noises, reduced fuel efficiency, vibration, visible damage or rust on exhaust parts, strong exhaust odors in the cab, and warning lights for emissions or engine performance. Regular inspections help detect issues early.

How can I get medium and heavy-duty exhaust repair?

If you're noticing exhaust issues like loud noises, excess smoke, or warning lights, the time to act is now. Call 631-331-0066 or text 833-267-3752 to schedule your medium and heavy-duty exhaust repair. We’ll help you get back to full performance—and full compliance—fast!

Repairs

Medium & Heavy-Duty Diesel Repairs

At K&M Truck Repair, we take on diesel and automotive repairs with precision and pride. From brake and suspension issues to electrical problems, drivetrain faults, and cooling system failures, our experienced mechanics get to the root of the issue fast. We don’t guess; we diagnose, repair, and stand by the quality of our work. Whether it’s a one-time fix or a recurring problem that’s been missed elsewhere, we’ve got the tools and the team to get it done right!

Reviews

Customer Testimonials

"Was looking for a new shop to work on my truck and these guys were phenomenal. Took me right in, kept me informed throughout the process and expeditiously had me back up and running. Their knowledge and workmanship is incredible. If you're looking for a great shop to bring your truck to, look no further because these are your guys,"
- Daniel

"Thank you Angel, Rich, and the crew for always doing the right thing and being there when needed.  @MorelandHose appreciates dealing with local, family-owned small businesses like yourself."

David

"My truck lights were out and Peter and Ray saved the day. Peter showed me exactly what the issue was and had me going in no time. Real honest service!!!!  I will definitely go back."

3 Brothers Family Moving

"The truck repair shop is a lifesaver for truck owners. They provide swift and skilled service, ensuring your vehicle gets back on the road in no time. A dependable choice for truck maintenance and repairs."

Kenneth

"I Highly recommend this place and people. One of the most friendly and attentive shop I’ve ever work with. Thank you Alvin for your assistance, professionalism and kindness. Thank you Peter for your skills, time, knowledge and honesty fixing my truck. You have a customer for life."

Dariusz

"This place is awesome! They got me in right away and fixed the tires on my kayak trailer. The entire staff was kind and courteous. I would highly recommend!!!"

Karen

"This company is extremely reliable! Hard workers and they go the extra mile for you. I am completely satisfied and in awe of how fast they got to me and to work. 100% recommend."

Jonathan

"Professional, friendly, and knowledgeable.  These people go above and beyond to help you fix the problem.  We had several issues with our truck (electrical, brakes, airleak).  The owner, Peter, checked out the truck and fixed it quickly!  He and his staff are extremely helpful and friendly.   These people treat you right and know their stuff!"

Lady Trucker

"Air compressor went out on my 2007 Peterbilt. Peter showed up within an hour and had me rolling again by noon next day good, honest mechanic is priceless these days I highly recommend."

Stephen

Contact & Location

Billing

Here at K&M TRUCK REPAIR, we know that any product or service that streamlines your fleet repairs saves you time and money, so we now have cbCharge available. It is a simple and free charge account that consolidates your billing through a secure online portal and provides 30-day payment terms with no interest or late fees. Your fleets repairs and maintenance are completed and billed and emailed from K&M TRUCK REPAIR. Then you get one monthly invoice from cbCharge, similar to a credit card bill.

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