Are there any headers that won't interfere with the o2 sensors you would recommend?

If it's going to need a complete rebuild then $300 and a couple hours drive.

Afaik, jba makes the only 4.0 ohv headers

So you're saying that i might not notice that much of an increase in performance with headers

Should i just stick to getting an aftermarket exhaust and tune rather than going with headers.

This is also called a scavenging exhaust system, it is using free exhaust pressure to increase engine performance

On dual exhaust systems they have been adding h or x pipes between the two.

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It emphasizes the importance of choosing the right header based on.

You'll lose a lot of low end torque

What wrong with the headers on your truck now

Headers are best kept for boosted trucks

The oem headers and cats will flow that engine.

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2001 ford ranger jba headers exhaust system.

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Ford ranger header is the term used to describe the aftermarket product that replaces the factory exhaust manifold

Headers are normally designed to be less restrictive than the factory exhaust.