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Posted

I would say anything from an aggressive dune port and under. You should call a builder and discuss what you have and what your looking for in a motor.

Posted

i had ran them on my stock stroke dune port from HJR and it ripped!! pulled hard everywhere. now that im going to local tracks with buddys to mess around, i built a mx hardcore 4 mil motor and i cut the PC silencers down about 3 inches and run them unpacked. and it ripps even harder!

Posted

x2 on the mx hardcore by hjr thats what i have and its all power i used the pc headers and the t5 back pipes and it sound bad ass

Posted

What does cutting the silencers back 3" do? Sorry to hi-jack the thread. Just curious as I also run PC's on my HJR 4 mil dune port. By the way I like the PC's on the motor. Good power all over.

Posted (edited)

Hjr hardcore mx port was designed to match the pc pipes . That's what kev told me when I got mine. I love it but the never ending hunger for more has taken over once again. So now I am building a 10 mil super serval.

Edited by robert0762
Posted

Thanks Robert! It's a huge power gain over a stock motor tho.. right?

 

hard core mx port will be a huge gain over stock.

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