Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - So my STOCK Civic is lower than the legal limit in Texas.

Isaac Zachary · 05-26-2023, 11:24 AM

I wonder if the new Toyota Corolla GR will have a similar issue as its exhaust has a solenoid actuated valve to bypass a major part of the muffler. I'm not sure what makes it open though, but IIRC it's when you floor it.

05-26-2023, 11:24 AM	#19 (permalink)
Isaac Zachary High Altitude Hybrid Join Date: Dec 2020 Location: Gunnison, CO Posts: 2,011 Avalon - '13 Toyota Avalon HV 90 day: 40.45 mpg (US) Prius - '06 Toyota Prius Thanks: 1,070 Thanked 555 Times in 443 Posts	I wonder if the new Toyota Corolla GR will have a similar issue as its exhaust has a solenoid actuated valve to bypass a major part of the muffler. I'm not sure what makes it open though, but IIRC it's when you floor it. __________________