Toyota MR2 Message Board - View Single Post

te51levin · 09-16-2009, 02:54 PM

No, it's still pre-cat. The second bung is typically plugged off, but I include it for those who want to run a standalone wideband in addition to their stock o2 sensor, or for a wideband sensor when you go to the dyno.

09-16-2009, 02:54 PM	#17 (permalink)
te51levin LithiaToyotaParts.com Join Date: Oct 2005 Location: Copperhead Road Posts: 3,699 Thanks: 50 Thanked 324 Times in 268 Posts My Google Map iTrader Rating: (193/100% )	No, it's still pre-cat. The second bung is typically plugged off, but I include it for those who want to run a standalone wideband in addition to their stock o2 sensor, or for a wideband sensor when you go to the dyno.