Cosworth Plenums in stock! Get them while they last!
Joined: Aug 2008
Posts: 2,919
Likes: 0
From: Kennesaw, GA
much better gains 
You also have to remember it's not an equal comparison. The spacer adds good power, but replacing the entire plenum with a better engineered one will add much more power. It looks nice under the hood too

You also have to remember it's not an equal comparison. The spacer adds good power, but replacing the entire plenum with a better engineered one will add much more power. It looks nice under the hood too


