Thought I would share this with you lot

I built a 107ci, locally ported heads, tman 590 cams, HPI 55, 4.9 injectors and a Bassini Roadrage short meg exhaust

We pulled the Bassini Muffler and fitted a 4" Trapp muffler  this it the Tuned difference between the Two exhaust set ups

The Blue is tuned with the Bassini Muffler and the red is tuned with the Trapp Muffler. Can see that it lost peak torque figures but broadened the torque right out and made more HP

[URL=http://s307.photobucket.com/user/Ando1450/media/Attachment-1_zpsir5f811t.jpg.html][/URL]

Nice work Ando, those torque dips that we often see look terrible.
I wonder how noticeable they are and how noticeable te difference is by the seat of the pants. You'd have to feel it a bit surely

Yes mate what I can say about seat of the pants was that you could feel that it made earlier talk and more power but you didn't notice the lose in peak torque

That's almost 20 foot pounds of torque difference in the cruise midrange where you'd want torque!

How many discs on the muffler?