In Reply to: Try these sites. posted by K.C. on April 25, 2000 at 13:36:56:
I've got some 60mm very nice TWM airhorns on my 48 DCOEs, and they do just fit with a tii booster. Very hard to get socks around, but its possible. In the past, I have run shorty stacks (velocity stacks aka airhorns) under an ITG filter with a stock 2002 booster. I've run 12mm on 45 DCOEs, and 20mm on 40 DCOEs (the 20mm just fit under the ITG filter). I believe most(all?) of the tuner shops get their stacks from TWM.
K&N filters for DCOEs do not flow enough (even K&N admit this). Go with ITG or PiperCross (both foam).