I have a magnaflow stainless steel slip fit system made for the 3.4 liter engine (no welding needed for 3.4)it would fit the 3.8 but welding would be needed it is brand new and still in the box never been installed or even opened i bought it for my gfs camaro but she decided she didn't want it i really need the money right now because i was just involved in an accident and need the money to pay my deductible i am asking 250 obo please help me out!