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i want to replace my stock headers on my 4.2 ,2003sc with some performance headers also replace the entire exhaust system with high flow cats ive looked on line but cant find a complete system for a 4.2,2003sc any ideas would be greatly appreciated.
Well here are some headers...
http://www.truckperformance.com/products/?searchtype=56d&sortorder=DAAAA&productcategory=He aders&category=Engine+%26+Performance&sf1=FORD&sf2 =2003&sf3=F-150&sf4=4.2L
Do you plan on having a new Y pipe fabricated, or merely swap out the stock units for some high flow cats?
Here are some catbacks...
http://www.truckperformance.com/products/?searchtype=d&sortorder=AAA&productcategory=Exhaus t+Kits+without+Headers&category=Engine+%26+Perform ance&sf1=FORD&sf2=2003&sf3=F-150&sf4=4.2L&sf5=Standard+Cab&sf6=Short+Bed
Now I took youre 2003sc as a super cab, because I didnt see supercrew listed on that site. You might want to give them a call though. They should carry some items.