The TODA Exhaust Manifold is a must for all K-Series platform. Like any good exhaust manifold, it is only as good as how well your intake and exhaust flows. For that we always turn to a good AEM Cold Air System, our Mugen Air Boxes are just for fun. As for the back end of your car, any good high flow and or after market exhaust system will do just fine. Your list doesn’t stop here, after acquiring these three essential components, you are still missing one very important item. KPRO! IT IS A NECESSITY! KPRO and the combination of a good tuner is the key to awaken all this power.