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Claim Your Free PageCocospeed muffler shop has built a loyal following across Snellville and the surrounding Gwinnett County area, earning a 4.7-star average from 49 customer reviews. Owned and operated by Coco alongside his son, the shop handles exhaust welding, catalytic converter replacement, muffler deletes, resonator installation, and custom downpipe setups for both domestic and foreign vehicles. The bilingual team communicates clearly with Spanish-speaking customers and maintains standard hourly rates comparable to other independent exhaust shops in the metro area.
What distinguishes Cocospeed is their willingness to tackle jobs other shops decline, custom truck exhaust configurations that deliver Corvette-quality sound, correcting improperly installed converters that previous mechanics botched, and Same-day muffler deletes that get customers in and out within an hour. Several reviewers specifically mention the shop's fair pricing and lack of upselling, with Alonda Sanders noting Coco pointed out other mechanical issues without attempting to overcharge. The team handles walk-ins when possible, though calling ahead is recommended during busy periods.
Customers consistently mention Coco and his son by name. Ayo Shayne praised their fast downpipe installation with no overcharging on foreign cars. Alonda Sanders highlighted how Coco fixed a converter another shop had installed incorrectly and declined to exploit her as a woman customer. Rudy Guzman arrived without an appointment for a mid muffler delete and was processed within the hour. Dan Kim, pulled over for loud exhaust, found the shop could install a resonator quickly at a great price.
7 of 8 reviewers give 5 stars, praising fair pricing and no upselling. Multiple customers specifically mention same-day service and quick turnaround. Named technicians Coco and his son receive consistent commendation across positive reviews.
| Sunday | Closed |
| Monday | 9 AM–6 PM |
| Tuesday | 9 AM–6 PM |
| Wednesday | 9 AM–6 PM |
| ThursdayToday | 9 AM–6 PM |
| Friday | 9 AM–6 PM |
| Saturday | 10 AM–3 PM |
Removal of factory muffler for performance sound, completed within an hour for walk-ins
Add or replace resonator to achieve desired exhaust tone and meet noise regulations
Install new catalytic converter, including fixing incorrectly installed units from other shops
Performance downpipe installation for foreign and domestic vehicles
Custom welding for exhaust modifications, custom setups, and repairs
Tailored exhaust configurations for trucks to achieve specific sound profiles