8th Generation Honda Civic Forum - View Single Post - Official Mugen Si Thread

ChinoiSI · 11-05-2007, 11:09 PM

well the mugen does come equipped with a "Cat-back" sports exhaust system", which would explain why it sounds so rowdy, compared to our stock Si's.

11-05-2007, 11:09 PM	#196 (permalink)
ChinoiSI Senior Member Join Date: Feb 2006 Location: Tri-cities,wa Age: 21 Posts: 438 D block(Daily Donut) iTrader: 0 / 0%	well the mugen does come equipped with a "Cat-back" sports exhaust system", which would explain why it sounds so rowdy, compared to our stock Si's.