Thread: ZZP Downpipe or 3800 Performance Downpipe?

Originally Posted by Pursell1911

What is the 3" exit flange? Any reason to select that option?

For 3" exhaust setups.

It really isn't needed.

The high flow cat should be CARB EO compliant.

Otherwise, get the catless one...install it...and have a shop put a generic California acceptable converter in it...or buy a set of SLP headers with the high flow cat. Those will work.

OR, you could move. Because Cali emissions is dumb just like most anything else in Commifornia