FX 50S high flow cats

ramoszx12r

ramoszx12r

Member
Car
2011 FX 50S
Name
Tony
It looks like no one make high flow cats for the FX. Have any one try using the 370Z or other infiniti high flow cats on the FX. I am looking on doing high flow cats ark exhaust and custom tune.
 
You'll likely need to purchase a set of universal high flow cats (in the desired exhaust diameter) and have a muffler or fabrication shop fit them to your application.
 
did you search at all? I have a thread explaining the entire process, which to buy, and have pictures!

5.0L - JBAKER1121'S FX50 EXHAUST thread

5.0L - JBAKER1121'S FX50 EXHAUST thread

Buy test pipes for a G37, swap the flanges, re-angle, bolt them right in. I used GTM resonated test pipes.

you can also just get a set custom-made.

Had the FX tuned with the test pipes and different muffler and results were good. Should expect 10hp+ after tune from the test pipes.

let me know if you have any other questions
 
I was on the process of searching this site but there is a ton of material plus i am not familiar with the site.
Thanks for the reply and the pic. are the fx 50s have two cat per side or one.
i was thinking the 370Z high flow cat because they use the same frame right.
I live in jersey and the test pipe will not pass inspection.
 
ramoszx12r said:
I was on the process of searching this site but there is a ton of material plus i am not familiar with the site.
Thanks for the reply and the pic. are the fx 50s have two cat per side or one.
i was thinking the 370Z high flow cat because they use the same frame right.
I live in jersey and the test pipe will not pass inspection.
Click to expand...

There are two, and the 370z/g37 would be the same - you'd have to make adjustments to either one to fit the FX50 please look at the links I gave you.

The test pipes will pass inspection as long as there is no CEL present when you get it inspected. Mine has passed with resonated test pipes since I put them in. I get a CEL eveyr now and then but just delete it and don't have a problem.
 
jbaker1121 said:
There are two, and the 370z/g37 would be the same - you'd have to make adjustments to either one to fit the FX50 please look at the links I gave you.

The test pipes will pass inspection as long as there is no CEL present when you get it inspected. Mine has passed with resonated test pipes since I put them in. I get a CEL eveyr now and then but just delete it and don't have a problem.
Click to expand...
Jordan, do you remember the part # for the flanges you ordered from vibrant? I have test pipes but need the flanges.
 
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