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Thermal Exhaust + FenFab DP = Do I need a tune?

TheJonse

TheJonse

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Hi All,

Long time lurker on this great forum,

I pulled the trigger last week on the catted FenFab down pipe and the thermal exhaust (inc. mid pipe).

Is the general consensus that I should get a tune to get the most out of the set up - but I can get away with no adverse effects or CEL if I get a tune later?

The reason for the wait is it has just had a new transmission (under warranty) and I want everything to settle down, and I am happy to wait for ZFG to get back in the game.

Any thoughts?
 

F=MA

F=MA

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I am happy to wait for ZFG to get back in the game?? Did I miss something?
 

J

Jwbreeding

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Can't speak from experience with tuning on the ST but you should be fine without a tune and those bolt ons. Granted you will most likely see a bigger increase with the tune added. If anything you might need defouler plug for the downpipes but I thought I read somewhere the cats that Fenn uses hasn't thrown any CEL's
 

F=MA

F=MA

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Damn we have made Adam rich and famous now...
 

UNBROKEN

UNBROKEN

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F=MA said:
Damn we have made Adam rich and famous now...
Click to expand...
He’s dealing with the new EPA regs...it takes time to wade through all the crap.
 

OP
TheJonse

TheJonse

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Thread Starter #7
Jwbreeding said:
Can't speak from experience with tuning on the ST but you should be fine without a tune and those bolt ons. Granted you will most likely see a bigger increase with the tune added. If anything you might need defouler plug for the downpipes but I thought I read somewhere the cats that Fenn uses hasn't thrown any CEL's
Click to expand...
I am pretty sure I read the same thing, the O2 sensor should be reasonably accessible I am guessing if I want to add these later (y)(y)
 

T

ThatThiccST

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Might throw a CEL, but should have little to no adverse effects on driving without a tune.
 

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