Blox O2 Diagnostic Plug

Having more exhaust flow through your O2 has a hard time to get a correct reading thus throwing a CEL code.

• This item is for Off Road Racing, tuning and testing purposes ONLY!
• Do not use it on the streetcar.

This is a Race Only product that is to be used solely for racing competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws.