Complete Auto & Exhaust

Auto repair shop
Open · Closes 5:00 PM
4.7 (220 reviews)
214 McMenamy Rd, St Peters, MO 63376

About

Complete Auto & Exhaust is a trusted provider of emissions testing in St Peters, Missouri. They focus on emissions testing and vehicle inspections to help customers pass state requirements. Customers appreciate their thorough testing process and friendly staff. Many reviews highlight the shop's honesty and professional service, making it a reliable choice for emissions-related needs. Located conveniently in St Peters, Missouri, they ensure quick and efficient service for drivers needing smog checks and vehicle inspections. The business offers a range of services related to emissions and vehicle diagnostics, all performed with attention to detail. Their reputation is built on consistent quality and customer satisfaction in emissions testing and vehicle maintenance.

emissions testing vehicle inspection obd testing st peters missouri emissions repairs

Services Offered

emissions testing
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs
Catalytic Converter Service
Exhaust Repair
O2 Sensor Replacement

What Customers Say

Review Summary

Customers generally find Complete Auto & Exhaust to be quick, professional, and friendly. They often mention the helpful staff and reasonable pricing for emissions testing. Some customers note that wait times may vary during busy periods, but overall, the experience is positive. Many reviews highlight the shop's honesty and thoroughness in testing and repairs. Personal interactions and efficient service make it a preferred location for vehicle inspections and emissions testing in St Peters, Missouri. The shop's welcoming environment and knowledgeable team are frequently praised. While service style may vary, the focus on customer satisfaction remains strong, making it a recommended choice for testing needs.

Hours Open now
Mon 8 am–5 pm
Tue 8 am–5 pm
Wed 8 am–5 pm
Thu 8 am–5 pm
Fri 8 am–5 pm
Sat Closed
Sun Closed

Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

Complete Auto & Exhaust is located at 214 McMenamy Rd, St Peters, Missouri. They are easy to find and serve the local community with emissions testing and auto repair services.
The shop offers emissions testing, vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs like exhaust and sensor work. They focus on testing and fixing emissions issues.
Yes, Complete Auto & Exhaust provides emissions testing and smog checks for vehicles in St Peters, Missouri. They focus on helping customers meet state emission standards efficiently.
They operate Monday through Friday from 8 am to 5 pm. The shop is closed on Sundays and Saturdays, providing regular weekday hours for emissions testing and inspections.
You can contact Complete Auto & Exhaust at plus one six three six nine one six zero five zero five. More information is available on their website at https://completeautoandexhaust.com/.
Appointments are recommended but not always necessary. It is best to call ahead to check wait times or to schedule your emissions testing or inspection.
Service times vary depending on the vehicle and services needed. Typically, emissions testing and inspections can be completed within a short visit, often in under an hour.
Customers say that Complete Auto & Exhaust offers honest, professional service with helpful staff. They appreciate the quick turnaround and reasonable prices for emissions testing and repairs.

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Making the Most of Your Visit to Complete Auto & Exhaust

Choosing the right emissions testing or smog check station in St Peters, Missouri can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Complete Auto & Exhaust is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Missouri Smog Check Requirements

Emissions testing and smog check rules in Missouri vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within St Peters, confirm what applies to you before heading to Complete Auto & Exhaust. Our Missouri emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test quick and successful, consider preparing the following:

  • Confirm your registration address requires testing.
  • Ensure your check engine light is off and no recent codes have been cleared.
  • Warm up your vehicle by driving 10 to 15 minutes before testing.
  • Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Complete Auto & Exhaust currently has 220 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Complete Auto & Exhaust about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Complete Auto & Exhaust is an active, licensed smog check station in Missouri.

  • 2
    Check Reviews

    Read recent customer feedback from other St Peters drivers to understand typical wait times and service quality.

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions tests offered and whether appointments are required.

  • 4
    Bring Required Documents

    Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.

  • 5
    Ask About Retest Policies

    Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and smog check policies with your local Missouri authorities.