Cupman29 Car 172 cup, Impreza P1 Apr 17, 2011 #1 As title. I was changing the spark plugs last weekend and noticed how bad it actually looks from upper to lower manifolds.
As title. I was changing the spark plugs last weekend and noticed how bad it actually looks from upper to lower manifolds.
Cupman29 Car 172 cup, Impreza P1 Apr 17, 2011 #3 How can you tell with the mani still on the car? Would they benefit from matching?