I have a 79 camaro 355 crate motor. It has flowtec headers and mufflers, im debating whether to get borla mufflers and make custom pipe all the way back cause as of now its cut off under the front seats. Or im going to go for a full exhuast system. My problem is magnaflow, flowmasters, nor borla make full exhuast for my camaro. Watcha guys think?

 

Skip them all! Go with the Summit full length 2.5" system with mufflers. Great sound and a very affordable system. Easy to install, with simple hand tools and a hack saw. $209.
Summit Racing SUM-680101 - Summit Racing® Header-Back Dual Exhaust Systems - Overview - SummitRacing.com

 

had that same Summit kit on my car and very easy to install! +1 on that.

 

I'm also using the summit kit and very happy with it.