Can running 1 cat damage engine?
Thread Starter
TECH Regular
Joined: Apr 2010
Posts: 464
Likes: 1
From: California
Can running 1 cat damage engine? Had 1 of my catalytic converters badly damaged the other night.
Currently running straight pipe on one side and kept the high flow cat on the other side. I had a friend just weld in straight pipe in place of the cat.
Everything still merges into the I pipe via the Y pipe.
My car has a mild cam(222/226) and headers and had a dyno tune.
Is running 1 cat bad for the motor?
Currently running straight pipe on one side and kept the high flow cat on the other side. I had a friend just weld in straight pipe in place of the cat.
Everything still merges into the I pipe via the Y pipe.
My car has a mild cam(222/226) and headers and had a dyno tune.
Is running 1 cat bad for the motor?
On The Tree
Joined: Jul 2012
Posts: 121
Likes: 0
From: DFW, TX
Had 1 of my catalytic converters badly damaged the other night.
Currently running straight pipe on one side and kept the high flow cat on the other side. I had a friend just weld in straight pipe in place of the cat.
Everything still merges into the I pipe via the Y pipe.
My car has a mild cam(222/226) and headers and had a dyno tune.
Is running 1 cat bad for the motor?
Currently running straight pipe on one side and kept the high flow cat on the other side. I had a friend just weld in straight pipe in place of the cat.
Everything still merges into the I pipe via the Y pipe.
My car has a mild cam(222/226) and headers and had a dyno tune.
Is running 1 cat bad for the motor?
To put simply: no. You will suffer some back pressure loss, but less pressure can't be a bad thing. The enhanced answer means your sensors will start going wonky as you will not be reading the CO2 correctly at your oxygen sensors. To correct this, tune them out. If you can get away without one cat, you can get away with two and should go full straight pipe. The other option is go to a pick it yourself junkyard and cut one off to get you by, or buy a new one....
Wont mess things up...it will affect the tune if not corrected though.Expect an o2 code shortly and less gas mileage having odd readings now on one bank.Will it affect power..hardly noticeable if any.
