Nissan 370Z Forum - View Single Post - GT Motorsports 2.5" True Dual Cat-Back Exhaust system.

BMW Killa · 04-25-2009, 04:29 PM

^ right. So, there is more flow with an x pipe. But how much flow does this car need? Remember that most cars need SOME back-pressure, or it can actually hurt performance, specifically torque.

04-25-2009, 04:29 PM	#17 (permalink)
BMW Killa Enthusiast Member Join Date: Jan 2009 Location: FL Posts: 287 Drives: neezmo Rep Power: 188	^ right. So, there is more flow with an x pipe. But how much flow does this car need? Remember that most cars need SOME back-pressure, or it can actually hurt performance, specifically torque.