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Call Us Today!

Welcome to our site

High-Tech Transmissions and Mufflers is a certified transmission installation and repair shop servicing all imported and domestic cars, trucks, SUVs, and minivans. We pride ourselves on timely installations and repairs of transmissions as we know your vehicle is a necessity to you.
Our shop is located south of Marietta, Georgia and north of Smyrna, Georgia and service all of the surrounding areas.  Within around 30 miles, we will come and pick up your car at no charge as long as we are going to be doing the service work for you.  Just call us and we can give you the details as well as answer your questions.  
Our work is backed with a guarantee on all parts and labor for your peace of mind.
Transmissions are our specialty, but our mechanics are fully certified for all automotive repairs, both minor and major.
Contact us today for a free estimate, and let High-Tech Transmissions and Mufflers get you back on the road today.

Engine Services

We service all engines, regardless of make or model. We rebuild, replace, and do all major repairs for your vehicle. Give us a call to discuss your options.

Rebuilt Transmissions

We can rebuild your transmission or replace it with one of our quality rebuilt transmissions.

Mufflers & Exhausts

We repair broken exhaust systems and catalytic converters and we build and install new custom MagnaFlow Performance Exhaust Systems. Ask us about your exhaust system options.

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High and Tech Transmissions and Mufflers
1200 S Cobb Dr SE
Marietta, GA 30060
Phone: 770-428-7474
Fax: 770-424-4528

Business Hours

Mon - Fri: 08:00 AM - 05:00 PM
Sat - Sun: Closed

In Business Since 1992

Payment Options