Reviewed By jeff c (Los Angeles, CA) Reviewed for a 1994 Toyota 4Runner —11/19/2009 8:47 AM
These Thorley Headers weigh twice of what my Downy Offroad (RIP) headers weighed due to more robust materials. They are only a week old so time will tell.
Reviewed By Scott B (Albuquerque, NM) Reviewed for a 1989 Toyota 4Runner —9/5/2012 8:44 PM
Sound great. Easy to install. I can tell the engine runs with less effort. But be warned that the cheaper painted finish won't last more than 3 hours. They smoked like crazy until every bit of paint was burned down to bare metal. Maybe the higher-priced coating option is better, but I couldn't justify the much, much higher price. In the end, the headers do what they should - increase hp when you want it, and give a little extra mpg when you take it easy on the gas pedal.