dyno #'s lol

[SN95N/A]

Has anyone else ever picked up 165hp changing the spark plugs lol I'm the lucky one.car had a miss changed plugs she's up and running strong once aggain.676hp

[mustang_gt88]

dAMN Thats crazy

[SN95N/A]

Yeah tell me bout it lol

[2Fast4You]

Them spark plugs can change everything about its performance.

[SN95N/A]

Yeah I could tell I was down good amount of power she's all fixed up now

[02mingryGT]

I had an NGK that pissed out on me about a month ago, had maybe 1000 miles on it. Had never seen that before so i guess if you live long enough you see everything.

[SN95N/A]

These plugs had about a week and half on them before they shit lol