What Materials for ports

[prophecy 10+ year member]

other than pvc what can you use for 4" round ports that u can buy from home depot?

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[maldecido33 10+ year member]

i suppose you could use a cardboard tube, maybe with some resin around it for strength

why not just order precision ports off partsexpress? easier to mount, they're flared, already painted black

 

[Chevyaudio 5,000+ posts]

Ive used cardboard tube before we soaked it in resin...but stil, I wouln't use it again.

ABS tube would work too...

 

[trevor87 5,000+ posts]

I ordered a precision port from pe and got it today, its alot bigger than i thought it was. Id go with that