Uncapped headers

[Dta17]

I have a 00 gt 4.6 Stock motor. Bolt ons with a dyno tune. Gears and converter and long tubes.
Currently just bracket race the car average 12.7x with 1.65 60 ft.

My question is would I see any benefit by running headers uncapped other the weight reduction? Currently running mac long tubes and pro chamber into some jones single chamber mufflers

Thanks in advance.

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[STAMPEDE3]

I don't see a benefit.

 

[Zemedici]

Nitrous makes more sense.....