Best Headers

Cloverdale · Jun 13, 2022 at 2:11 AM

Application matters.

Cloverdale · Jun 15, 2022 at 5:43 PM

Moparisto said: ↑

There is no such thing as a bad improvement. Long-tube headers are always superior in function. Only people under the gunpoint of oppressive governments or the insane care about "emissions legality."

Long-tube headers work better. They ARE better. They are never worse. Reaching far out in left field for the most minimal improvement doesn't invalidate the FACT that long-tube, even-length headers are superior.

Long-tube equal-length headers help in all circumstances, UNLESS they are intentionally sized wrongly so someone can make a point by screaming about that one time uncle Ned put 4" primary tube headers on his lawnmower and it didn't work as well.

The fact that headers that were that large (one and three quarters inches) did that well was in itself truly surprising, as that size of headers is just not used on engines of only 354 cubic inches or whatever. I notice they did not use 1 5/8" headers, a FAR more common size for engines of that size.

I quote from the article:

https://www.motortrend.com/how-to/gen-3-hemi-header-test/

The stock Ram manifolds might fit well and last forever, but this test clearly showed they were not designed for power. Compared to the 1 5/8-inch Hooker headers, the manifolds were down 27 hp and 25 lb-ft of torque. Many enthusiasts incorrectly assume that stock manifolds offer more torque, and this disproves that notion. Long-tube headers greatly enhance torque production, in this case through the entire rpm range.

Notice how properly-sized headers work better than improperly-sized headers. Do you advise people that size 12 shoes are useless because you have size 4 feet, also?

The following from the article:
Like the smaller 1 5/8-inch headers, the 1 7/8-inch versions offered even greater power gains. We expected gains on the top end due to the increase in tubing diameter, but the bigger headers also offered gains down low. At the peaks, the big headers were worth 36 hp at 6,100 rpm, and 30 lb-ft of torque at 3,300 rpm.

Long-tube, equal-length headers are good in all ways and in all circumstances and in all applications.

The facts found to be true by thousands of people over dozens of years are not undone by opinion, legality, convenience, or budget.
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Have you made any exhaust changes to your Challenger Moparisto?

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