The pre-cat (pre catalytic converter) is a roll of catalytic material that Ferrari decided to insert into the exhaust manifold/ header,
in order to improve cold start emissions. Ferrari started doing this with model year 2000+.
This roll (metal-ball-like object) of catalytic material, or pre-cat (ahead of the main catalytic converter), will break down with bits and pieces of it migrating into the cylinders, scratching them and causing money/headache conditions.
I had my pre-cat removed by 2 Ferrari technicians. The result was very dramatic.
1 - Car sounds so much LOUDER & Better (in everyway)
2 - Car runs much smoother
3 - Car runs so much FASTER (You can feel the car breathes WAY much better)
4 - No CEL (Check-Engine-Lights) issues (Unlike aftermarket test/straight pipes)
5 - Passed the Emission Test (SMOG) with no problems (Unlike aftermarket test/straight pipes)
1 - MPG (miles-per-gallon) drops from an average of 13.5mpg down to 8mpg. Worse than my
Supercharged V8 BMW
2 - Need to raise your voice a little during conversation while driving
This Pre-Cat Deletion is by far the BEST modification I've ever made on my Ferrari. It's worth every penny!
Sorry no video clips at this time, I will try
to upload into my
MY VIDEO SECTION when I have time. Please do check back, trust me you WANT to see the videos of the Before & After.