Originally Posted by LbarJ
Non stock cats will throw codes ,overtemp codes , hi-flow / non-stock cats run hotter ecu will run rich to cool them . Mine did with LT headers / hi flow cats got a new tune fixed it right up.
Do you think it was the combination of the two that caused it and not the cats alone?? Just curious cuz I haven't ever seen anyone say they needed a tune w high flow cats..
Bama 93 race tune, bbk o/r xpipe, gt500 axle backs, frpp k-springs, steeda rear lca's, 3d carbon 3d500 wing, boss/cs front fascia w boss brake cooling kit, plenty more...