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I have a 2001 C5 Coupe which is totally stock. However, I want these headers for another project. I have a 58 Corvette that I'm fitting C4 suspension, C5 brakes, LS1 engine (headers, Haltech TB, Granatelli MAF, Lingenfelter GT2 cam, Z06 valve springs, Z06 intake) and a T56 from a 2000 Camaro)!! It is a long way off being finished at this point though!
My shop has installed them on an 02 Z06. They fit well, but the headpipes do need to be tweak outwards a little.
I don't have dyno testing on this specific set yet, but seat of the pants feel definatley shows some power increase
I installed a set of ceramic coated JBA headers on my previous C4 and on my C5 Z06 about 3 years back.
I cannot prove they made any gains in performance, but they were quite easy to install, look great compared to the heavy cast stock headers, are quite light weight and sound great, had no issues with them in three years and still look like new.
I have a BBK set of shorties installed. Not saying they are as good as JBA, but I think performance would be similar. I had a before and after dyno with nothing else changed and had a ZERO increase in power. Just thought Id share that.
I have a 2001 C5 Coupe which is totally stock. However, I want these headers for another project. I have a 58 Corvette that I'm fitting C4 suspension, C5 brakes, LS1 engine (headers, Haltech TB, Granatelli MAF, Lingenfelter GT2 cam, Z06 valve springs, Z06 intake) and a T56 from a 2000 Camaro)!! It is a long way off being finished at this point though!
Carey
This is not directly related to the post but ditch the Granatelli MAF and go with a stock MAF. There is a long history of those MAFs causing problems. I would also skip the shorties and see if you can get long tubes.
I have a BBK set of shorties installed. Not saying they are as good as JBA, but I think performance would be similar. I had a before and after dyno with nothing else changed and had a ZERO increase in power. Just thought Id share that.
Did it increase in sound? And do you have any problems with your spark plug wires or a/c line?
Did it increase in sound? And do you have any problems with your spark plug wires or a/c line?
Thanks!
No problems. I had to have the headers machined flat. But fitment is fine and everything sits as it should. No difference in sound really.. One person said it was deeper, but I dont think so.