02-08-2008, 12:22 PM
Ah yeah, if you guys have any other suggestions I haven't thought of yet, by all means let me know! So Maeng you basically just used a nut that fit the size of the sensor as a new bung? Did the guy weld it on while the exhaust was still on the car?
Here's a picture of the stock manifold and the B1S1 location:
![[Image: DSC00696.jpg]](http://i6.photobucket.com/albums/y217/aageraci/DSC00696.jpg)
So yeah it's precat.
Edit: And as a comparison, the Toyomoto headers
![[Image: DSC008661.JPG]](http://www.clublexus.com/gallery/data//500/medium/DSC008661.JPG)
Here's a picture of the stock manifold and the B1S1 location:
So yeah it's precat.
Edit: And as a comparison, the Toyomoto headers
Posting in the banalist of threads since 2004
2017 Mazda CX-5 GT AWD Premium
Past: 2016 GMC Canyon All Terrain Crew Cab / 2010 Jaguar XFR / 2012 Acura RDX AWD Tech / 2008 Cadillac CTS / 2007 Acura TL-S / 1966 5.0 HO Mustang Coupe
2001 Lexus IS300 / 2004 2.8L big turbo WRX STI / 2004 Subaru WRX / A couple of old trucks
2017 Mazda CX-5 GT AWD Premium
Past: 2016 GMC Canyon All Terrain Crew Cab / 2010 Jaguar XFR / 2012 Acura RDX AWD Tech / 2008 Cadillac CTS / 2007 Acura TL-S / 1966 5.0 HO Mustang Coupe
2001 Lexus IS300 / 2004 2.8L big turbo WRX STI / 2004 Subaru WRX / A couple of old trucks