Aftermarket performance catalytic converters
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Senior Member
Joined: Nov 1999
Posts: 1,177
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From: Carolina, Puerto Rico, USA
Aftermarket performance catalytic converters
Anyone out there with information or experience with catalytics for our 97-up 5.4's?
Since my truck is over 80k miles I am gathering information to see what's out there to replace the stock units, that may add power, sound and stay legal in the process.
Since my truck is over 80k miles I am gathering information to see what's out there to replace the stock units, that may add power, sound and stay legal in the process.
Suspended User
Joined: Jan 1999
Posts: 124
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From: Covington,Ga
See my thread "Wake up call". I just had highflow converters installed. Well worth it. The replacement highflow converters use a single converter per side in place of our stock four. This allows for alot more flow and volume to reach your muffler.
