Preparation for the STILLEN supercharger

Kyle@STILLEN · 02-10-2010, 10:54 AM

Quote:

Originally Posted by yellowZ

Kyle,

You mention that 2 things worth doing to the car that will prep it for a supercharger are the clutch/flywheel replacement and a cat-back exhaust upgrade to a 2.5". I was wondering about the cats themselves - worth replacing? You also mention not to do exhaust headers - which I understand means that a full exhaust is not necessary (as of right now). Are high flow cats unnecessary? Thanks for your advice.

Kevin

When we do our testing it will be with the standard cats and exhaust manifolds. I'm sure we will develop the tune further with the headers and high flows but to start with we won't have that informaiton immediately available which is why we are recommending that no one modify those parts just yet.

Keep in mind if you plan on purchasing the CARB legal supercharger then replacing the cats could and most likely will cause the car to fail inspection.

yellowZ · 02-10-2010, 04:56 PM

Quote:

Originally Posted by Kyle@STILLEN

When we do our testing it will be with the standard cats and exhaust manifolds. I'm sure we will develop the tune further with the headers and high flows but to start with we won't have that informaiton immediately available which is why we are recommending that no one modify those parts just yet.

Keep in mind if you plan on purchasing the CARB legal supercharger then replacing the cats could and most likely will cause the car to fail inspection.

Kyle,

Thanks for your response. I plan on keeping the car CARB legal - good for the future of everyone so I'll just evaluate cat-back exhausts.

Cheers,
Kevin

LaSeeno · 02-10-2010, 05:39 PM

Quote:

Originally Posted by yellowZ

Kyle,

Thanks for your response. I plan on keeping the car CARB legal - good for the future of everyone so I'll just evaluate cat-back exhausts.

Cheers,
Kevin

Why not get a HFC or test pipe and do the swap come emissions time?

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