U.S.C Senior Member First Name Bo Joined May 17, 2019 Threads 215 Messages 832 Reaction score 739 Location So cal Website instagram.com Vehicle(s) 2019 Civic Hatchback May 24, 2019 Thread starter #1 Does a muffler delete change MPG? I hIghtly doubt it, but I’m no expert. Sponsored
RobXsi Senior Member First Name Nope Joined Jul 11, 2018 Threads 13 Messages 372 Reaction score 243 Location Noneya Vehicle(s) Nata May 25, 2019 #2 The biggest factor is how you drive. Im modded and tuned. And i get better MPG then some drivers who are stock. A muffler delete if any effect. Will be little too nothing.
The biggest factor is how you drive. Im modded and tuned. And i get better MPG then some drivers who are stock. A muffler delete if any effect. Will be little too nothing.