This is achieved by eliminating unnecessary bends for the straightest exhaust path. Naturally aspirated vehicles also benefit from greater exhaust flow capacity as engine tuning levels increase. Certain applications are available in a Silent Hi-Power version which has an inner silencer built into the muffler.
I was not sure if this exhaust would fit 2004 model GS300 but everything fit perfectly. It gives a nice deep tone, not too loud and looks awesome. Definitely recommend 👍🏻