The DMC has an available sos insert to drop the decibel to 98db and a separate spark arrestor can be purchased. It will probably be close to $400 for everything. I'll end up putting it on. Just not right now. Too many things going on right now that require $$
If you are looking to get the most power out of your engine, which obviously you are with dyno testing, don't fool with any left bend pipes. Right bend or nothing for maximum power and of course get your jetting right to match your setup.
The DMC has an available sos insert to drop the decibel to 98db and a separate spark arrestor can be purchased. It will probably be close to $400 for everything. I'll end up putting it on. Just not right now. Too many things going on right now that require $$