Billet Design Hi Flow Cats/Downpipes for 4.2 XF
#1
Thought I would notify all the 4.2 Supercharged guys and gals about this company I came across. The Cats/Downpipes were built for the STR, but we share the same part# if you wanted to replace with OEM, so they will work for us as well. And the price is fantastic for a OEM install and not chopping up your existing exhaust.
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Blackcoog (05-06-2015)
#2
You might as well and install the O2 Simulator, mini catalytic Converter cel fix 90* downstream 02 sensor extenders to keep from popping the p0420, p0430 cat inefficiency codes that usually comes up a year later. And when i tested a set on a xkr they were worth 25hp to the wheel. So not a bad improvement for the money
#3
Wow that's really cheap for a pair of complete bolt-in cats!
Brutal, have a read of this thread https://www.jaguarforums.com/forum/x...0/#post1210935 looks like using the minicats is not a good solution with our cars....
Brutal, have a read of this thread https://www.jaguarforums.com/forum/x...0/#post1210935 looks like using the minicats is not a good solution with our cars....
#5
Last edited by Blackcoog; 05-06-2015 at 06:52 AM.
#6
I wonder if they offer a catless version? Here is the direct link: Billetdesign
#8
#10
When someone install 200cell sports cat. Usually install minicats to prevent O2 check engine light (because stock CATS have 600cell . therefore Rear O2 sensor detect different voltage from two cats )
Stock XF's O2 sensor is installed in the middle of 600cell stock CATS.
If you install O2 sensor to the end of upgrade 200cell CATS. the O2 sensor location can compensate role of 90 degree angled O2 spacer(minicat)
Stock XF's O2 sensor is installed in the middle of 600cell stock CATS.
If you install O2 sensor to the end of upgrade 200cell CATS. the O2 sensor location can compensate role of 90 degree angled O2 spacer(minicat)
Last edited by cby210; 05-06-2015 at 05:25 PM.
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philwarner
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
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10-02-2015 11:23 AM
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