View Single Post
Old 12-20-2018, 07:15 AM   #85 (permalink)
Ecky
Master EcoModder
 
Ecky's Avatar
 
Join Date: Dec 2011
Location: New Zealand
Posts: 5,077

ND Miata - '15 Mazda MX-5 Special Package
90 day: 39.72 mpg (US)

Oxygen Blue - '00 Honda Insight
90 day: 54.69 mpg (US)
Thanks: 2,904
Thanked 2,560 Times in 1,586 Posts
If that cat is clogged it could hurt mileage, but most likely it isn't. A catalyst can be a few percent degraded without being dirty or crudding up.

Those look like the same clips and sadly I'm not aware of any stronger ones.
  Reply With Quote