Multi muffler

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About Multi muffler
Multi muffler operates as an independent exhaust specialist in Charlotte, North Carolina, handling roughly 121 verified customer interactions over its operational history. The shop carries a 3.9-star aggregate rating from those clients, providing standard muffler and exhaust system work alongside more specialized modifications including resonators and catalytic converters. Operating hours run Monday through Friday 9AM to 6PM with Saturday service until 3PM, the facility serves vehicle owners throughout the Charlotte metro looking for both functional repairs and performance-oriented exhaust modifications.
What distinguishes this shop from basic chain outfits lies in their willingness to tackle custom configuration work, a reviewer with a 2003 BMW 330xi recently had both a muffler delete and resonator delete completed to personal specification. One client specifically credits them with handling emissions problems and ECU diagnostic codes that required multi-component replacement involving manifolds, oxygen sensors, and catalysts. The business does offer a limited 3-month warranty on completed work, though customers are advised to retain their receipts for any warranty claims.
What Customers Say
Of five detailed reviews, three award five stars citing specific work quality and fair pricing, while two one-star reviews raise concerns about parts representation, both mentioning Flowmaster requests that resulted in unbranded components. Positive reviewers specifically note the shop handled BMW-specific modifications and explained repair procedures thoroughly.
Working Hours
| SundayToday | Closed |
| Monday | 9 AM–6 PM |
| Tuesday | 9 AM–6 PM |
| Wednesday | 9 AM–6 PM |
| Thursday | 9 AM–6 PM |
| Friday | 9 AM–6 PM |
| Saturday | 9 AM–3 PM |
Services
Muffler Replacement
Standard and custom muffler installation using various brands and configurations.
Resonator Delete
Removal or modification of resonator tubes for performance sound tuning.
Exhaust Manifold Repair
Replacement and welding of exhaust manifold connections and fittings.
Catalytic Converter Service
Catalyst inspection, replacement, and emission compliance work.
Oxygen Sensor Replacement
O2 sensor diagnosis and installation for emission code resolution.
Performance Exhaust Modifications
Custom exhaust configurations including Deletes and unique setups.
Exhaust Pipe Fitting
Complete pipe system replacement from manifold to tailpipe.