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Feb 7, 2011 | 05:02 PM

#11

d.girardi

Thread Starter

2nd Gear Member

Joined: Oct 2009

Posts: 173

From: AL

So I have to get a tune if I wanna go catless?

Feb 7, 2011 | 05:11 PM

#12

NYstang

MF Staff Snitch

Joined: Jun 2006

Posts: 7,041

From: Scotia, NY

a tune or MILs

Feb 7, 2011 | 05:38 PM

#13

d.girardi

Thread Starter

2nd Gear Member

Joined: Oct 2009

Posts: 173

From: AL

Can you elaborate on MILs please?

Feb 7, 2011 | 06:20 PM

#14

mustangman02232

6th Gear Member

Joined: Dec 2004

Posts: 15,865

From: Ludlow, Mass

i had dynomax high flows welded into my H pipe before the bungs, but they still set off a cel because teh computer wasnt happy. so i got mils and it went away and passed emissions

Feb 7, 2011 | 07:51 PM

#15

NeoTokyo

6th Gear Member

Joined: Dec 2003

Posts: 6,524

From: Sacramento, CA

MIL's trick the computer into thinking all is fine downstream.

MIL's

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