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Exhaust piping and gas mileage clash in muffler shop tale
A reader asks if larger exhaust pipes can reduce fuel economy after a shop fitted bigger piping to his car. The hosts explain engines breathe and a bigger pipe can boost power but may drop mileage. a 40 percent drop suggests misfit parts or other faults. They advise dealer or Toyota specialist check, restore correct size, and consider factory exhaust to avoid future issues.
MENTIONED IN THIS ARTICLE
Tom and Ray
Tyo Tor
Weill
Stott Ray
Tom
Dow Tetheateh Atiain
Aechaust
Itom
Toyota
Ray
Scott