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Headers for a 2000 2.7 4wd?

Discussion in 'Technical Chat' started by thenrie, Sep 10, 2007.

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Sep 10, 2007 at 11:08 AM

#1

#1
thenrie [OP] Well-Known Member

Joined:

Sep 1, 2007

Member:

#2582

Messages:

254

Gender:

Male

Stafford, VA

Vehicle:

2000 Tacoma, SR5, TRD, 2.7L (LEV), 4wd, 5sp m

Magnaflow cat and cat-back exhaust, AFE Stage 2 cold-air intake system, 2.5" lift via Skyjacker leaf packs, Bilstein 5100s.

Anybody tried headers for a 2.7? Will it increase highway gas mileage while still running through a cat and decent muffler? I'm checking out all possibilities for some mpg here.

thenrie, Sep 10, 2007

#1

Sep 11, 2007 at 4:33 AM

#2

#2
thenrie [OP] Well-Known Member

Joined:

Sep 1, 2007

Member:

#2582

Messages:

254

Gender:

Male

Stafford, VA

Vehicle:

2000 Tacoma, SR5, TRD, 2.7L (LEV), 4wd, 5sp m

Magnaflow cat and cat-back exhaust, AFE Stage 2 cold-air intake system, 2.5" lift via Skyjacker leaf packs, Bilstein 5100s.

I took a good look at the engine yesterday and found that the 2.7 already has a steel-tube header with a 2-into-1 collector. Anybody know if that is stock? I've never seen a production exhaust header that wasn't cast iron. Previous owner says he didn't change anything, so if it is after-market it was done fairly early in the pickup's life.

thenrie, Sep 11, 2007

#2

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