whats up guys i had a few quick questions, a friend of mine offered to sell me his MAF, 24lbs/hr injectors, fuel pump and a boost a pump off his 98 cobra, so 1.) does this stuff fit my car, 2.) this stuff is used, is there any way to check if its in proper the working condition, 3.) do i really need all of these parts? will it make a difference performance wise with the mods in my sig? thats about it, any info is appreciated, thanks in advance.:SNSign: