yeah its a draw through set up. I picked it up on ebay for $315. The only thing i had to build was the cross over pipe and the down pipe. I also picked up a double pumper already modified for draw through for i think $87. There were a few things I had to do, my performer RPM intake was too tall so I bought a performer, and my HEI was too big so i had to buy a points. Oh and I had 10.5 compression with vortec heads so I had to get a set of 76 cc heads. But even with that all added up, I am into the whole set up less than $1000. It was worth it in my opinion just to hear it spool.