Originally Posted by
Mikiehotrod
so no one has tested the 2 pipes side by side. heard one of them is a 2 chamber and one is 3 chamber???
The 2630 makes slightly more power than the 2660. The 2660 is slightly better on mileage. The 2660 is more durable. The 2630 is very thin.
I prefer the 2660. It's a good combination of power, runtime, and it's more durable.