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Can I use an after marked catalytic converter

Tiny
EMBONE
  • MEMBER
  • 2004 FORD F-150
  • 225 MILES
Are after market catalytic converters for 2004 f-150 5.4l 3 valve 4x4 are as good as what comes stock, or from dealer. Names like magnaflow, walker, etc. Seem to be popular. And do you like the idea of using a after market performance chip, throttle body spac need little advice
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Sunday, October 23rd, 2011 AT 4:59 AM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No. Bosal is the only aftermarket that keeps the light out other than dealer parts. Thats why they are expensive and the aftermarkets are cheap.

Roy
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Wednesday, October 26th, 2011 AT 9:17 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
We install aftermarkets every day of the week and it is very rare for them to set a code or have a problem after installation. There are a couple of applications that require a larger capacity Cat but those exceptions are rare. Just make sure it is an OBD2 converter.
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Wednesday, October 26th, 2011 AT 9:43 PM

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