System was just fitted to a car when they crashed it. Headers are good as new, but we had to weld up some spots due to the accident. This will have no negative effect on the system.
When mounted, the welded patches are not visibl ... (Read More)
OEM replacement 02 sensor upstream.
o2 sensors need to be replaced once every few years, so the engine gets the right air/fuel mixture.
BS13100
... (Read More)