+1 on the crackle and pop. I have the factory tapered TORs, which are staight-thru glasspacks, on my '09 BA and they sound great with stock map. Nice Rumble-Grumble on decel, and throaty on accel, but no earplugs required, and no blue pipes. I like 'em.

University of Da Nang Class of '68 In the End, the Captain stands alone... " Fat, drunk, and stupid is no way to go through life, son." Dean Wormer