I was wondering if it would work to put an exhaust on a 2.7 liter like TRDOLMAN did on his V-6. Doing the 1 long magnaflow to replace the two cats and pluging the O2 sensors into O2 simulators. i would also put on a header and i already have a normal replacement magnaflow muffler. would this create more horsepower without droping the backpressure too low and creating problems for the ECU or giving me bad gas mileage. So how do yall think that would work.