Mustang Forums - View Single Post - headers and off road this week!!! Spark plug help too

chatmanv6 · 04-30-2006, 09:48 AM

This week I am putting on long tubes and off road x from bbk..I have a flowmatser cat back and I was wondering how much hp will I gain from the long tubes and the o/r x and how will it sound? I also have a k/n cold air..Does the 2002gt come with stock yellow spark plugs. the reason why I am asking is cuz when i bought the car it already had cat back and intake so I was just wondering..thanks you any help..the long tubes are ceramic too:clap:

04-30-2006, 09:48 AM	#1 (permalink)
chatmanv6 ChatmanV8 Join Date: Dec 2005 Location: fl, brooksville Posts: 94	headers and off road this week!!! Spark plug help too This week I am putting on long tubes and off road x from bbk..I have a flowmatser cat back and I was wondering how much hp will I gain from the long tubes and the o/r x and how will it sound? I also have a k/n cold air..Does the 2002gt come with stock yellow spark plugs. the reason why I am asking is cuz when i bought the car it already had cat back and intake so I was just wondering..thanks you any help..the long tubes are ceramic too:clap: