My jeepster has 4.3 tbi motor, chip, K&N, bored .030 over at total rebuild. At the Dixie Run this year I tore off my muffler and the newfound exit pipe seemed to make a big difference in power, of which I want/need more of.
The exhaust now consists of stock mani's, 2" tube to the crossover at the muffler, and 2.25" to behind the tire. The muffler on it now is a FM70 series.
I have bought a set of Sanderson CV95 http://www.sandersonheaders.com/product_info.php?cPath=21_23_38_46&products_id=70 headers for it that I am getting ready to install and head to the muffler shop to bend up new tube.
I want this thing to breathe much better than before. Is there a formula to create the best exhaust sizing keeping in mind the size of the motor? Also I want a free flowing muffler.
Your input would be appreciated.
RQ
The exhaust now consists of stock mani's, 2" tube to the crossover at the muffler, and 2.25" to behind the tire. The muffler on it now is a FM70 series.
I have bought a set of Sanderson CV95 http://www.sandersonheaders.com/product_info.php?cPath=21_23_38_46&products_id=70 headers for it that I am getting ready to install and head to the muffler shop to bend up new tube.
I want this thing to breathe much better than before. Is there a formula to create the best exhaust sizing keeping in mind the size of the motor? Also I want a free flowing muffler.
Your input would be appreciated.
RQ