We are prototyping a new Drago's 2:1 design exhaust in a few weeks on a 131 Jims Rework by Dragos heads, cams, etc with Rework Procharger This is not your everyday bolt on blower we changed it.... by 65% We designed this rework blower.

Here are some sneak peeks. of the exhaust. Here you can see the top of the collector

This will be onther 3 step header. It is 3 inch's at the collector

 

Here you can see atop view and side view of the new pipe On the the left it is my Dragula muffler 4 inch 2.55 collector and on the right is a the new muffler with 3 Inch collector and 4 inch muffler body look at the shape at top.....

 

Here you can see the 3 step header in raw form and the 4.05 muffler body...

We will have more to come in a few weeks on this even after dyno we will post everything.