Former Ford SMT here, this code can be a nightmare to chase down, a couple of suggestions for you.
1. Since it only happened since the exhaust was modified, I would tape off the air inlet and find a way to pressurize the exhaust at the tailpipe and spray soapy water to all the welds and...
Made in USA. Have had it for 5 years now and have had zero issues...just be aware that you will need a large cfm vent hood.
Culinarian 48" Gas Manual Clean Range - Capital Cooking | Luxury Home Appliances
Sent from my SAMSUNG-SM-G890A using the svtperformance.com mobile app
I will second a Capital Culinarian Range...love mine. Has no fancy gimmicks just kick butt btu burners
Sent from my SAMSUNG-SM-G890A using the svtperformance.com mobile app
Heard some interesting info this week on what may possibly be the '14 lightning. I am a dealer tech and was at the ecoboost class and heard from someone who has knowledge that there will be a new lightning coming,money has been allocated for the program. At this point there are some mules...