VTEC_Thunder

2000 SiR, The stock cat has an 02 sensor in the middle of it.

If I want to put a high-flow cat on my car do I have to get a cat specifically for this car? or can I weld a bung in just after the high-flow for the 02?



Also one other thing, i just installed a set of cryo-treated cross-drilled rotors and KVR sport carbon fibre brake pads on the front of my car. Is there a brake-in period for brakes like this? the reason for asking is the pedal feels a little stiffer like i have to push harder to stop than before. They work well tho, they'll lock up good if i really jab it.

Thanks

imported_viper

I would really recommend a high flow from jackson racing...I bought one from them in the spring...they delivered it...and total was around 120....came with everything...including bung, flanges...and it bolts directly to the car...no modifications needed...it is also stainless steel...and the welds are amazing!!!

VTEC_Thunder

Is the o2 located in the middle of that cat or is it just after?

Bryce

Thunder what cat are you getting. The magnaflow hiflow im running the bung is in the middle like you said.

VTEC_Thunder

I've got a universal magnaflow high flow cat that I had on my cavalier that will fit right up to civic (pipe size). Can I use this cat and simply weld in a bung just after this cat for the o2? or do I need to get a proper highflow cat specifically for this car with the o2 in the center of the cat?

imported_viper

it was before the cat...on the flange area before the actual cat...

VTEC_Thunder

There are 2 o2 sensors, on just before the cat on the pipe and one in the middle of the stock cat.

Can I run a universal magnaflow highflow cat and put the 2nd o2 sensor just after the cat? Or do I need to get a specific high flow cat with the 2nd o2 located in the center?