Needing advice.....

**wesleyblankenship** · 12-05-2011, 09:37 AM

Any help would be appreciated..on my 02z28 I was wonder if my factory cats would be efficient for a cam, L6 heads, intake....and probably f1 procharger. I was gonna put them in my ory...smart or bad move....not sure...like I said advice would be more appreciated....

**0rion** · 12-05-2011, 10:34 AM

I personally would leave the cats off.....at a bare minimum I would get new high flow cats.

**WS6SP33D** · 12-05-2011, 10:37 AM

Factory cats restrict alot regardless, and 10 yr old factory cats restrict even more lol. As said above i would go with a ory for best results and sound if you can get away with it. If not some high flow cats will do the job..

**ldurham** · 12-13-2011, 01:06 PM

Put an electric cut out before your cats!

***SMWS6TA*** · 12-13-2011, 01:20 PM

Originally Posted by ldurham

Put an electric cut out before your cats!

OP,

I agree with Orion, TN (unless it changed in the last 8 yrs) has no state inspection, so going with an LT's/ORY and delete the CATS will give you a good bump in HP, the cutout that is mention, will give you better flow, but not necessary a big jump in HP. Mostly just fun to have

with a ORY you can put the cutout anywhere prior to the muffler. Common spot is a single cutout placed near the rear passenger seat prior to the exhaust tube bend up to go over the axle.