Stock Exhaust Manifold Wieght - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Grenade180sx · 08-31-2007, 12:39 AM

port the stock exhaust mani.. ull make more power then any tubular. i have seen many dyno sheets with stock to tomei manis and hks, ud be surprised at what the stock cast irons ones can do!

they dont crack A problem with tubular ones

the hold heat better, which means lower engine bay temps and better exhaust flow.

port the bitch! and have fun

08-31-2007, 12:39 AM	#2
Grenade180sx Nissanaholic! Join Date: Aug 2007 Location: 909/951 Age: 37 Posts: 2,457 Trader Rating: (1) Feedback Score: 1 reviews	port the stock exhaust mani.. ull make more power then any tubular. i have seen many dyno sheets with stock to tomei manis and hks, ud be surprised at what the stock cast irons ones can do! they dont crack A problem with tubular ones the hold heat better, which means lower engine bay temps and better exhaust flow. port the bitch! and have fun