'13 Focus ST - 80,000 miles.
Never replaced the spark plugs. Got a Stratified 93 tune 2 years ago (no bolt ons).
Purchased NGK one step colder plugs. Installed them this afternoon. I gapped them to the recommended .026 by Stratified. I torqued them by hand and feel, not with a torque wrench. I...
Ordered a few parts that I will be installing Saturday. Got the Mishimoto intercooler in gold, Cobb accessport with Stratified tune, and some step colder spark plugs. More pics to come during/after install!