Working Hours
  • Mon 7:30AM - 5:00PM
    Tue 7:30AM - 5:00PM
  • Wed 7:30AM - 5:00PM
    Thu 7:30AM - 5:00PM
  • Fri 7:30AM - 5:00PM
    Sat Closed
  • Sun Closed
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805-497-2818 | 901 East Thousand Oaks Blvd

Exhaust

Exhaust, Thousand Oaks, CA

The Best Thousand Oaks Exhaust System & Muffler Repair Services

At Shelley's Precision Auto Center we know some drivers like a quiet exhaust system while others prefer a "the louder the better" approach. Either way, an unusual rattle when your car is running is a signal that it is time for an immediate inspection of your exhaust system.

Quiet Exhaust and Muffler Services

Come to Shelley's Precision Auto Center and keep your exhaust system running smoothly. At Shelley's Precision Auto Center we know you count on your exhaust system and muffler to reduce noise and normalize your engine's back-pressure. When your exhaust system is faulty it can be very loud, but more importantly, it can impact your engine performance. Whatever the problem, we can repair it and get you back on the road quickly. Come by Shelley's Precision Auto Center today at 901 East Thousand Oaks Blvd.

  • Catalytic Converter Replacement: Your catalytic converter is the most expensive part of your exhaust system. When your catalytic converter begins to fail, you will hear a very loud rattling noise or your "check engine light" will begin to flash. Come by Shelley's Precision Auto Center at 901 East Thousand Oaks Blvd and we will diagnose the problem right away.
  • O2 Sensor Replacement: Ask any mechanic at Shelley's Precision Auto Center and they will tell you to have your O2 sensor inspected regularly. Oxygen sensors work in conjunction with your catalytic converter to monitor the amount of oxygen in your car's exhaust system. Your O2 sensor determines if your air to fuel ratio is balanced in real-time as you accelerate or idle. It helps your engine controller adjust the flow of fuel to maintain optimum oxygen to fuel mixture.

High-Performance Header Upgrades

While exhaust manifolds and headers play a similar role, at Shelley's Precision Auto Center we know they are miles apart on performance. Headers are upgrade parts designed for performance applications, while exhaust manifolds come standard. Both move exhaust away from the cylinder head to the exhaust pipe. Most noticeably, headers and its companion gaskets and wider exhaust pipe are much louder than a traditional manifold. But more importantly, the header improves exhaust system performance.

Exhaust manifolds are frequently formed of cast iron. The cast iron construction of your manifold keeps exhaust from being cleared as efficiently as possible. Headers solve this problem as they are made of individual steel tubes that connect to each cylinder. Header tubes all connect to a single collector pipe. The tubes have a smooth interior that keeps gases flowing evenly to prevent engine back-pressure. If you want the performance of a header but the sound is a problem, talk to our mechanics at Shelley's Precision Auto Center about an electric exhaust cutout. They are simple to install and allow you to open your exhaust without crawling under your car.

Get The Look Of Custom Exhaust Tubing & Tips

Straight, U, J, and S exhaust tubing are made with a smooth stainless steel or mild steel aluminized metal interior for maximum exhaust flow. At Shelley's Precision Auto Center exhaust tubing can be configured for a custom exhaust system. Stainless steel exhaust tubing looks sharp and adds longevity to your exhaust system. Complete the look with stylish exhaust tips. Nothing finishes an exhaust pipe better than the crisp clean appearance of a polished stainless steel exhaust pipe tip.

Loud Exhaust and Muffler Services

X-pipe and H-pipes synchronize the balance of the exhaust pulses from each cylinder based on firing order to increase efficiency. Many high-performance car owners like the deeper rumbling sound of H-pipes. If you own a street rod, Lake Pipes and Side Pipes route exhaust along or beside the bottom of your car body offering both increased performance, vintage look, and an aggressive sound. When it comes to trucks and diesel, consider smoke stack exhaust pipes to improve engine efficiency, pulling power and performance.


What Our Customers Are Saying

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Absolutely love Shelley's and I am a repeat and ongoing customer! I'm always looking for a place that I feel comfortable going to on my own without my fiance as I'm not mechanically savvy and this is it! Christy, who is at the front desk and keeps this place running is so warm and welcoming. She does her job well and is always moving whether it is answering phone calls or managing all the different keys and customers. She remembered me after my first visit! The mechanics here are trustworthy and do their job well. I've gotten two reasonably priced oil changes and also brought my car in for a tire repair and I'm very happy with all my interactions at Shelley's. I would suggest making an appointment or dropping off your car because this place IS BUSY. If you are doing a walk in expect to wait a couple of hours, but otherwise I will definitely be back for all my car related concerns!

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Christy, who runs the front of the shop, is the best. I needed to get my car smog checked. The problem was I had a check engine light. Shelley's did a diagnosis and was able to clear the check engine, but the codes would still not pass. We were able to assess the problem that could have been $$$ in parts and labor for a catalytic converter, but there was an alternative to flush out the codes for an indefinite amount of miles. I checked once a week before work at Shelley's to see if it my car cleared. Every time, denied. Then my check engine light went on again! Hope was lost. I gave up going to Shelley's for months. Until today. When I got in my car and was heading to work the check engine light was off. I immediately went to Shelley's. The codes were clean! We ran the smog and passed. I am legit on the road again. Thanks for your persistence with me Shelley's! I'll be a lifetime customer.

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Again and again, the people at Shelley's rock it! Had to get a car ready for a big 2500 mile trip to NC. Needed brakes, rotors, AC and general repairs. Is was a lot to do with the time constraints. But as always, the team pulled it off. We could never be more greatful and HIGHLY, and we mean HIGHLY recommend them. Their customer service is outstanding. Now if they could only get rid of those trees on TO Blvd. Can't tell you how many times we've blown by the driveway. But it's worth the u-turn for the best service in Thousand Oaks!

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Fantastic shop. Fair prices, friendly staff, fast and efficient service.

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First of all, Christy is so sweet and gives that added touch to service. We have been going to Shelley's for a long time. They are very honest, reliable and cost efficient. I will never go any other place and will continue to refer my friends. Great job to all the employees at Shelley's!

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By far the best automotive service we've experienced here in the Conejo Valley. From the minute we walk in the door and are greeted by Christy to the time we leave, the customer service, communication, and work done on our vehicles has been exceptional all the way. Paul and Jerry are always willing to talk if you have questions, they are honest in their recommendations and never pushy, their work is high quality, and we've always been able to get in for service in a timely manner. We've been using Shelley's for years now and highly recommend them.

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Always the BEST service at Shelley's! I recommend them to all friends and family. Fair, reasonable and just great people.

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Friendly, fast, and honest service. Quick smog check.

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Excellent experience, as always! Thanks for taking care of my vehicles and dealing with me in such an honest and thorough manner. Christy, Paul, and Jerry, you are the real deal!

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The price and customer service is amazing. Christy and Paul are awesome and I feel like I got a great price. Definitely coming back.

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They are the best. From front office to the owners m, everyone is good at what they do

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Paul is a kind and honest guy! My car broke down 1,400 miles from home. The Ford dealer in Thousand Oaks quoted $1,100 for the repair. Paul charged me $130 for the work. You can take your car there confident that you will be treated well.

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If you want a highly skilled, honest mechanic, it doesn't get better than this. This shop has been around for 30 years and is now run by Paul and Jerry Payton. They will treat your vehicle as if it was their own. They are fast, precise and prices are reasonable. You can trust them! I have gone to them for years and they are consistently The BEST. Christie in the front office is super nice too!

  • ASE (Automotive Service Excellence)
  • NAPA
  • ASE Master Technician
  • STAR Certified Test and Repair Shop
  • Car Care Aware
  • Call Us For Service: 805-497-2818