Ports into car??

[ShizzA1 10+ year member]

Ive got a question for you guys.. Im running 2 12in jlw4 in a ported box with the ports facing towards the front of the car in my trunk.. a thought i had was to maybe use some longer PVC pipe and run the ports from the outside of the box to the inside of the car ( ofcourse keeping ports in the box ) would this be worth while or do i have my head in my ass... my thought was maybe it would use the cab of the car as an enclosure also for more spl?? any thoughts on this??

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[LoneRanger 10+ year member]

Ive got a question for you guys.. Im running 2 12in jlw4 in a ported box with the ports facing towards the front of the car in my trunk.. a thought i had was to maybe use some longer PVC pipe and run the ports from the outside of the box to the inside of the car ( ofcourse keeping ports in the box ) would this be worth while or do i have my head in my ass... my thought was maybe it would use the cab of the car as an enclosure also for more spl?? any thoughts on this??

lengthening the pipe will result in a lower tuning frequency, and probably won't give you much gain. try facing the port back into the trunk....9 times out of 10 its louder that way.