P.s. i forgot to add the reason it was sitting for 4 months was the manifold was cracked, and the cat broke into 2 pieces.

I have a 2000 Ford Focus with a LenTech 4F27E/FN4A-EL Street Terminator Plus Full Race ATX transmission, LenTech Strip Terminator Torque Converter, 4.61 Final Drive Gear, 23 Spline Impute Shaft. The Motor is a built SPI fully Ported Polished, Forged Pistons, Forged Crank and Rods, Titanium Valves, Valves Seats, Springs. K&N Shorty Intake, Shorty FC Header, Custom Flex Pipe, Bosal Chameleon Exhaust 2.5in piping from cat back. Eibach Pro Plus Kit (Springs, Struts, Front 2in Sway Bar, 2.5 Rear Sway Bar), SuperPro Poly Bushings, Steeda Camber/Caster Plates. Steeda Rear Camber Adjusters, and Strut Tower Bar.