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Smog pump removal. Best high flow catalytic converter?

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Joined: Mon Jan 29, 2018 10:19 am

Smog pump removal. Best high flow catalytic converter?

Post #1 by stevef22 » Mon Jan 29, 2018 11:59 am

My smog pump is making a horrible whine during normal operation so Im going to delete it.

I still would like to upgrade my cat to a high flow 2-way / 3-way one. I understand some do not require an air tube from smog pump.

What is your favorite high flow catalytic converter?

Any other cheap ( under $500 ) upgrades while messing with replacing the catalytic converter you would do?

I have a 1994 F150 300 4.9L I6

All your advice and tips are much appreciated :beer:

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