best exhaust header for a toyota 1993 truck

Is it worth the money to buy just an exhaust header for a 2wd truck. What are the best headers for a toyota truck. will I keep the good gas mileage

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You need to open up the exhaust as well as the intake to see the real results. Header, exhaust, intake.
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I have a drop in K&N filter and split exhaust. is the $200 intake worth it or is it just look good. or would the $50 cone shapes K&N work just the same
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Worth it in what regard? More power?...yes, especially if you get a header with the longest possible primary tubes, about 36", and as equal length as possible.
Save gas?...maybe, but never pay for itself.
Forget about miracles from drop-in air filter elements. A K&N FIPK-type intake offers a boost at full throttle high rpms, but very little for your money otherwise. Most so-called performance mufflers offer more noise than performance gains. Exhaust pipes that are too big in diameter will reduce low and mid range power.
Ken

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brand of headers with most power
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I think this newsgroup needs a repository site. Less than 2 years ago there was a large discussion about whether K/N was an airflow improvement. That discussion ended the same way the one before it did, and the same way the next one will most likely end the same. The k/n system is not as good as the stock. (The hooker header is good on older Toys. That's just my experience on a 76 celica notchback, which is probably still annihilating the streets of Boston today) Anyway, no intake system has bettered the stock. Ask MTD, ask any of the old hands ( if they can quit playing politics), we've been thru this. keep your stock intake. save the cash for a trd header/exhaust. If you gotta go cheap, try to replicate the trd system.
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i'd have to disagree... simply swapping out oem muffler with a glass-pack/magnaflow combo will improve hp/torque/mpg.
a complete breathing upgrade (airbox,intake,cats,header,mufflers) will require a ECU re-program to take full advantage of the upgrades (which most do not do).

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mileage
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Ken is correct.
open exhaust with 2 devices both being true open devices. a non-louvered glasspack followed by something like a Magnaflow. keep OEM internal tube sizes. the longer you can fit the better to knock out noise. replace cats with hi-flo ones. a header is good. focus on opening your airbox (saves $$$ and does a very good job of letting engine pull air easier). you can use K&N just keep it clean and oiled PROPERLY (too much oil will get MAF dirty and too little oil lets in too much dirt).

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mileage
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