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Headers for '04 2.4L 4cyl. engine.

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Old 25 Nov 2007, 06:17 pm
owls_rayne's Avatar
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Join Date: Nov 2007
Location: Sedona, Az.
Posts: 10
Default Headers for '04 2.4L 4cyl. engine.

I have a 04 PT Cruiser with a Weapons-R intake and a turbo muffler installed would headers at this time would make a difference in hp and mpg.
Thank you.
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Old 26 Nov 2007, 08:35 am
quicksilverdon's Avatar
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Join Date: Nov 2003
Location: Felton, Delaware
Posts: 20,501
Default Re: Headers for '04 2.4L 4cyl. engine.

I cut and pasted from another forum:
"So the answer is yes, the Heddman header did improve power. Iíve never had wheelspin problems with an NA automatic on a racetrack using sticky tires and traction compound. The only time Iíve done burnouts before was for show, this time it became necessary.

The difference is more pronounced on the street because the extra torque is right where you are usually driving. It feels like an instant displacement bump, and the throttle response is sweet.

If you want to read more info about this header type, thereís some good info here from a pro header builder.

Header - Exhaust Manifold - Tech - Jack Burns - Popular Hot Rodding "

Note - that's for the Heddman 4-2-1 header.
The poster goes to a drag strip, and after the header, easily beat his prior best time.
"Anti-intellectualism has been a constant thread winding its way through our political and cultural life,
nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."
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'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler. Mods: E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
Traded in '02 Silver Touring Edition w/87,000 miles
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Old 28 Nov 2007, 12:54 am
owls_rayne's Avatar
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Join Date: Nov 2007
Location: Sedona, Az.
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Default Re: Headers for '04 2.4L 4cyl. engine.

Thank you for the information and the educational article on header design. There is nothing learning something new.
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Old 28 Nov 2007, 03:11 am
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Join Date: Mar 2003
Location: Oregon.
Posts: 3,521
Default Re: Headers for '04 2.4L 4cyl. engine.

On the other hand I had a JBA header on my '01 and noticed no difference at all. Keep your receipt for the Hedman header as when the PT first came out it had warpage and micro fracture problems. Hopefully they've solved those problems. Even my JBA header developed micro fractures.
\'05 Stone White SRT4

\'04 Graphite PT Automatic
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