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About Us

About Us

Massachusetts Catalytic Converter Services

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The Catalytic Converter Shop
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Learn About The Catalytic Converter Shop

The Catalytic Converter Shop
The Catalytic Converter Shop

The Catalytic Converter Shop is a specialty division of Bay State Muffler concentrating on catalytic converter diagnosis, repair, and replacement.

Think of us as a shop within a shop. At Bay State Muffler, catalytic converter service is something we have always done (and done well). With our launch of The Catalytic Converter Shop, we are applying deeper focus on this important part of your exhaust system. Our goal with The Catalytic Converter Shop is to better inform the public on all things related to catalytic converters, and to provide this specific service more effectively and economically to our customers both new and old.

In many cases, an exhaust leak can fool a car’s computer into thinking the catalytic converter has failed, when all the car really needs is a simple exhaust repair to solve the problem. However, if it turns out you do need a new catalytic converter, thanks to our unique approach to this service we are able to provide high quality catalytic converters at surprisingly low prices. Compare our quote to the mechanic or new car dealer and you will be amazed!

The Catalytic Converter Shop

Request an Appointment today!

Contact Us Today To Book An Appointment or Call (978) 536-9311.

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Why Choose Us?

The Catalytic Converter Shop
The Catalytic Converter Shop

At The Catalytic Converter Shop, we have specialized skills that allow us to approach this service differently from almost any other shop in the area. We manufacture and install your new cat, saving you money.

We utilize our expert skills in welding and bending exhaust pipes to minimize how much we need to repair/replace parts for your vehicle. We never throw out good parts with the bad. This also saves time and money.

Whenever we repair or replace a catalytic converter or any other part of the exhaust system, we use high-quality exhaust components that we stand behind with generous warranties: 

We warranty our parts and our labor: the function of the cat is covered for 2 years/25,000 miles whichever comes first; the construction of the cat is covered against defects (eg. rusting through) for 5 years/50,000 miles, whichever comes first.

Our expertise and many years of experience performing catalytic converter service are way beyond our competition. This is a new shop name but the service isn’t new to us. In fact, we are amongst the longest-standing exhaust mechanics in the area.

We have a long history of installing carefully chosen, high-quality, high-value aftermarket catalytic converters that function well and keep that check engine light off. For a period of time in the early 2000s, some installers lost faith in the aftermarket catalytic converters to perform as intended. This was a period of time when the cars were getting more complicated, but the aftermarket hadn’t yet caught up in producing sophisticated enough cats to keep up with the modern vehicle standards. Eventually, the aftermarket manufacturers did catch up and have since produced high-quality reliable catalytic converters.

   Book An Appointment Today For The Best Catalytic Converter Service Massachusetts Has To Offer!

6

+

Team members and growing.

60

+

Years of combined experience.

100

+

5-star google reviews.

5000

+

Completed jobs and happy customers.
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Meet Our Team

Dan

Dan

When he's not at the shop, Dan enjoys spending time with his wife and three sons.

Andrew Marshall is Cape Cod Oyster’s Director of Sales & Marketing . Andrew has 15 years experience in the seafood industry working alongside many of the country’s top distributors.

Ralph

Ralph

Ralph is an artist and enjoys creating sculptures out of scrap metal from the shop.

Andrew Marshall is Cape Cod Oyster’s Director of Sales & Marketing . Andrew has 15 years experience in the seafood industry working alongside many of the country’s top distributors.

Ron

Ron

Outside of work, Ron enjoys spending quality time with his three grandchildren.

Andrew Marshall is Cape Cod Oyster’s Director of Sales & Marketing . Andrew has 15 years experience in the seafood industry working alongside many of the country’s top distributors.

Michael

Michael

When Michael isn't at the shop, you'll find him performing street magic in Newburyport.

Andrew Marshall is Cape Cod Oyster’s Director of Sales & Marketing . Andrew has 15 years experience in the seafood industry working alongside many of the country’s top distributors.

Ken

Ken

Ken enjoys spending time with his family, especially his two grandchildren. He would ski twelve months a year if he could.

Andrew Marshall is Cape Cod Oyster’s Director of Sales & Marketing . Andrew has 15 years experience in the seafood industry working alongside many of the country’s top distributors.

Dave

Dave

Dave enjoys spending his free time with his wife and two kids. Dave is a faster skier than Ken.

Andrew Marshall is Cape Cod Oyster’s Director of Sales & Marketing . Andrew has 15 years experience in the seafood industry working alongside many of the country’s top distributors.

Request an Appointment today!

Book an appointment with The Catalytic Converter Shop in Massachusetts today to have your catalytic converter inspected, repaired, or replaced by our experienced team of professionals. We will make the process fast and easy. Click below to send us your details, or call us today at (978) 536-9311.

Jennifer E.

Meineke quoted $1,400 for the catalytic converters alone! These guys gave us an $800 quote for everything and ended up calling us and telling us that we could wait on the pipe for now and that our bill would be closer to $500! I will never go anyplace else for muffler work ever again.

Yelp!

Sarah B.

I’ve been going here for years - love these guys. Honest, reasonable and thorough. I’ve gone in thinking I needed an expensive job, and they sent me away saying I didn’t actually need anything. Plus they are fun to talk with.

Google

Atahar M.

Conventional auto repairers asked $900 to replace the whole system but they fixed it for $125. Also every employee in this place was very gentle and helpful. Totally recommend it.

Google

Andy S.

I’ve been in the automotive industry for 20 years....This is a professional shop that i have always and will always trust!

Google

Kaila F.

Dealer said would be a $1,700 fix. Here was $200!! Quick and good. Highly recommend.

Google

Noreen R.

Love these guys! They took our car in as soon as we walked in the door. What our dealership quoted $1,300 to fix, they did for $125 (with a 2 year warranty) in less than an hour.

Google

Jerome B.

They're affordable and reliable and do quality work
no hidden tricks or gimmicks. if i could give more STARS i would
i HIGHLY recommend coming here than anywhere else.

Google

Carl G.

High quality work does by a team that is professional and polite. HALF the cost of a Honda dealership. More importantly they talked me through the entire problem, proposed repairs, options and cost/price points. Never had a better experience!!! HIGHLY RECOMMEND.

Facebook

Jeremy A.

I asked on Facebook who everyone would recommend and was told this place over 10 different times! They fixed my car in 90 minutes. I would gladly recommend this place over and over again! Best experience ever! Highly impressed!!!

Google

Nicole M.

Got my car in right away and saved me HUNDREDS of dollars!! Talk about an amazing, honest & professional mechanic! Thank you thank you THANK YOU for not only saving my car but also my bank account! My sister & father are also customers, we all HIGHLY recommend.

Facebook

Moldy B.

All my family and friends know and trust this company. I went in there expecting to spend about $600-700 and a few hours to a day without my truck. They took me right away and I was out of the place in 30 min from the moment I pulled in and only spent a little over $100. I was amazed at the speed and price.

Google

Jennifer E.

Meineke quoted $1,400 for the catalytic converters alone! These guys gave us an $800 quote for everything and ended up calling us and telling us that we could wait on the pipe for now and that our bill would be closer to $500! I will never go anyplace else for muffler work ever again.

Yelp!

Sarah B.

I’ve been going here for years - love these guys. Honest, reasonable and thorough. I’ve gone in thinking I needed an expensive job, and they sent me away saying I didn’t actually need anything. Plus they are fun to talk with.

Google

Atahar M.

Conventional auto repairers asked $900 to replace the whole system but they fixed it for $125. Also every employee in this place was very gentle and helpful. Totally recommend it.

Google

Andy S.

I’ve been in the automotive industry for 20 years....This is a professional shop that i have always and will always trust!

Google

Kaila F.

Dealer said would be a $1,700 fix. Here was $200!! Quick and good. Highly recommend.

Google

Noreen R.

Love these guys! They took our car in as soon as we walked in the door. What our dealership quoted $1,300 to fix, they did for $125 (with a 2 year warranty) in less than an hour.

Google

Jerome B.

They're affordable and reliable and do quality work
no hidden tricks or gimmicks. if i could give more STARS i would
i HIGHLY recommend coming here than anywhere else.

Google

Carl G.

High quality work does by a team that is professional and polite. HALF the cost of a Honda dealership. More importantly they talked me through the entire problem, proposed repairs, options and cost/price points. Never had a better experience!!! HIGHLY RECOMMEND.

Facebook

Jeremy A.

I asked on Facebook who everyone would recommend and was told this place over 10 different times! They fixed my car in 90 minutes. I would gladly recommend this place over and over again! Best experience ever! Highly impressed!!!

Google

Nicole M.

Got my car in right away and saved me HUNDREDS of dollars!! Talk about an amazing, honest & professional mechanic! Thank you thank you THANK YOU for not only saving my car but also my bank account! My sister & father are also customers, we all HIGHLY recommend.

Facebook

Moldy B.

All my family and friends know and trust this company. I went in there expecting to spend about $600-700 and a few hours to a day without my truck. They took me right away and I was out of the place in 30 min from the moment I pulled in and only spent a little over $100. I was amazed at the speed and price.

Google