ok performance mod yes ,
- what about the clean air emissions end product that comes out the tail pipe ?
- keeping in mind ALL factory cats are still in place and working normally too ......fyi
- i have studied this topic in my mind at great length Chase ..
- are you creating MORE harmful emissions by having a power robbing air pump in place , hence burning more fuel , and a age age time toyota Emission system parts being crusty now 30 + years later are NOT preforming to original...