550 Hyper-Flow Cats

Has anyone got Hyper-Flow cats fitted to their 550 ? I already have Tubi X pipe and back boxes, like the idea of the Hyper-Flow cats from a performance point of view but not if the noise level becomes insane .

 

They cats don't dramatically change the noise of the car, but the midrange torque change is simply astonishing. As one customer told us, the HyperFlows + a center pipe will allow you to pull stumps out of the ground all the way to 7K.

Center pipe + mufflers = noise
Cats = power

http://www.ricambiamerica.com/product_info.php?cPath=175&products_id=262543

 

Thanks for your help . I take it you've had no issues with the o2 sensors ?

 

Nope.. no issues whatsoever. Plug-n-play.

 

I totally agree with Daniel, and in case you are interested here is a clip of the F550 we did at our shop with parts purchased at Ricambi:

http://media.putfile.com/F550-Hyperflow-XOST-XPipe

 

Haha thanks , Hyperflow it is then .

 

I've got the whole setup...hyperflows, x pipe, x ost... no o2 sensor issues..fantastic sound..I got the car dynoed before, havent been back yet, will keep you posted..

 

Hey Mark, the link I posted here is actually your car. Thanks for adding the details.

 

Ever end up having the car dyno'd again?

Also, any drone in the cabin with the hyperflow/x-ost set up?

 

What is your experience with hyper flow cats only...keeping the center resonator and stock mufflers? or maybe just putting on the staight pipes but keeping the center resonator and the with the hyperflow cats?

Have you put these on a 456 before?

thanks
ccr

 

I recently had my cats replaced with Hyper-Flows due to an ECU being fried and thus burned a cat out. As Daniel mentioned the Hyper-Flow model will not change the sound, but will improve power from the mid to high range. I understand the Cat+X pipe is a great combo for both sound and power. The fitting of the cats and other items will start from the front to back with minor adjusting (not all plug and play). Recommend when you are doing the cats, replace the O2 sensors and the ECUs. Any small crack in the ECU could give incorrect readings.

 

When are you going to push him to finish the 456 cats? I offered to leave my 456 over there for a while for him to play around with but no dice?