Tijuana auto shop · 40+ years
Your car in the best hands

Catalytic converters for the US and Mexico, mufflers, oil changes, radiators and diagnostics on Blvd. Agua Caliente.
Safety, Performance, Trust
Specialized services
Every service is a warning light on the dash. Pick the one that worries you: what is included, starting prices and how to get a quote.

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Oil change
Oil change with the viscosity your engine calls for: high-mileage, multigrade, full synthetic and diesel. Every oil change includes oil, filter, lube and grease, engine cleaning and an air-filter check.
- High mileage
- From $712.96 MXN + VAT
- Multigrade
- From $833.33 MXN + VAT
- Full synthetic
- From $1,650 MXN + VAT
Reference 'from' prices, plus VAT, subject to change and to your vehicle model. Confirm your quote on WhatsApp.
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Catalytic converters for USA & Mexico
We install converters for Mexican and imported cars, plus converters that pass the US Smog Check. Before installing we inspect the old converter and the engine tune, so the new one lasts much longer.
- Domestic & import OBD I
- From $3,800 MXN
- Domestic & import OBD II
- From $4,800 MXN
- US Smog Check OBD I
- From $380 USD
Reference 'from' prices, VAT included, subject to change and to your vehicle model. Confirm your quote on WhatsApp.
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Mufflers & exhaust
Universal, performance, OEM, heavy-equipment and semi-truck mufflers. We repair and fabricate the whole exhaust: piping, flex pipes, hangers, resonators and tips.
- Universal muffler
- From $1,400 MXN
- American muffler
- From $1,800 MXN
- OEM muffler
- From $2,200 MXN
Reference 'from' prices, VAT included, subject to change and to your vehicle model. Confirm your quote on WhatsApp.
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Radiators & cooling
We sell and install radiators and service the cooling system: coolant change with the right mix against freezing and corrosion, and radiator flush so coolant flows and the engine runs at the right temperature.
- Coolant change
- From $650 MXN
- Radiator flush
- From $1,000 MXN
Reference 'from' prices, VAT included, subject to change and to your vehicle model. Confirm your quote on WhatsApp.
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Diagnostics & Check Engine light
Don't ignore it. We find what's behind the Check Engine light with a state-of-the-art scanner and prevent bigger damage to your car.
- Basic diagnosis
- Free
- Computer diagnosis with a Snap-on scanner
- From $1,300 MXN + VAT
Reference 'from' prices, plus VAT, subject to change and to your vehicle model. Confirm your quote on WhatsApp.
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Suspension & shocks
We inspect your suspension and, if needed, replace shocks and struts, control arms, CV axles, wheel bearings and sway-bar links. Healthy shocks improve handling, braking and tire life.
Quoted for your car
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Brakes & brake pads
We inspect and, if needed, replace brakes, brake pads, rotors and calipers. Before we start, we tell you what your car needs and what it costs.
Quoted for your car
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Tune-up
A basic tune-up so your engine runs smooth again: better response, lower fuel use and a longer life.
Quoted for your car
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Air conditioning
A/C diagnostics, service and recharge so it cools like new again.
Quoted for your car
Reference 'from' prices, subject to change and to your vehicle model. Prices marked '+ VAT' do not include tax; all others include VAT. Confirm your quote on WhatsApp.
We also do: MIG and oxy-acetylene welding · General mechanics
What is your car telling you?
Pick what you notice or describe it in your own words. We suggest the service and write your WhatsApp message.
Most common
- The Check Engine light is on
- It won't pass Smog Check
- The engine overheats
- The exhaust is loud
- The A/C isn't cold
- It's due for an oil change
- It bounces over bumps
- Burns too much gas
- It's losing coolant
- Smells like exhaust inside
- Smells like rotten eggs
- The A/C smells bad
- It pulls to one side
- Clunks over speed bumps
- Uneven tire wear
- It jerks or hesitates
- Hard to start
- It lost power
- The oil light is on
- The brakes squeak
- The steering wheel shakes when braking
- It's due for new brake pads
Over 40 years of experience
Professional maintenance for a reliable car
We give you quality auto service, always at the best price.
4.5 out of 5 on Google, 281 reviewsRating checked on October 22, 2026
What drives us
Trust
We tell you what your car needs and what it costs before we start.
Service
We treat you the way we would want to be treated.
Quality
Quality parts and workmanship, every day.
Cutting edge
Up-to-date equipment for today's cars.
We stand behind our work
Every repair leaves with its own warranty. No hidden fine print: here are the terms.
- 3monthson catalytic converters
- 6monthson universal, American and OEM mufflers
- 10,000km or 6 monthson synthetic oil, whichever comes first
Catalytic converters that meet US and Mexican standards, including Smog Check.
Read warranty termsEnvironmental commitment
We follow environmental regulations: used oil and catalytic converters are hazardous waste (Mexican General Law for Waste Prevention and Management, art. 31) and go to authorized collection centers.
Brands we work with
- Valvoline
- Mobil
- Magnaflow
- AP Emissions Technologies
- Walker
- MillerCat
- Flowmaster
- Borla
- Carven
How we work
Diagnosis
We inspect your car and look for the cause, not just the symptom.
Quote
We explain what is wrong and what it costs before we start.
Repair
We do the work with quality parts.
Warranty
You get your car back with each service’s warranty.
Visit us
We're in Tijuana's Zona Este. Drop by, or message us on WhatsApp and we'll tell you when to bring your car.
Address
Blvd. Agua Caliente #8880Zona Este, Tijuana, Baja California
Hours
- Monday to Friday
- to
- Saturday
- to
- Sunday
- to
While you wait
- Indoor and outdoor waiting area
- Air conditioning
- Coffee and water
- TV
- Wi-Fi
Contact: rextijuana@hotmail.com Invoicing: facturacion@servicioautorex.com.mx