KuroNekko is absolutely right, any exotic efforts are only effective on supercharged engines where the intake charge has been compressed and is therefore at a higher than ambient temperature. Except for when our cars are sitting still the factory system is already pulling in outside, ambient temperature air, there's really nothing to be gained.
Practically every car sold today has a carefully designed cold air intake and coolant running through the throttle body and/or intake manifold to preheat the charge air. The benefits in emissions and gas mileage from hot air are deemed to be more valuable than the benefit in performance provided by cold air. The manufacturer designs the intake system to balance performance, emissions, gas mileage, reliability, and sound. The entire airflow path goes together, if you really want to increase airflow to improve performance you have to consider the air intake, filter, throttle body, intake manifold, passages and ports inside the head casting, valves, cams, cam timing, exhaust manifold or header, and exhaust system. Changing one or two of these without changing all the rest is unlikely to provide any meaningful difference.
I have a K&N and catback exhaust on my Kizashi but I don't kid myself into believing that they made any measurable difference in power. It sure sounds sweet though.
New to Club! What kind of air intake do I put on my 2011 Kizashi SLS awd?
Cars are no fun anymore. My '73 Gran Torino Sport had a 351 Cleveland with a light cam, Edelebrock Torker manifold, Hooker headers and Holley 780 double pumper. All stuff you could install yourself and get measurable horsepower gains. 2012 Kizashi? Nothin'! Would I go back to my Cleveland? No way!
Well, the Kizashi is an exception. The reality is that normally aspirated V6 engines of today are making way more power than modified V8 engines of even a few decades ago. Turbo 4s are even outputting close to 300 HP these days.LPSISRL wrote:Cars are no fun anymore. My '73 Gran Torino Sport had a 351 Cleveland with a light cam, Edelebrock Torker manifold, Hooker headers and Holley 780 double pumper. All stuff you could install yourself and get measurable horsepower gains. 2012 Kizashi? Nothin'! Would I go back to my Cleveland? No way!
If anything, I don't think it's power that's the problem but weight. As safety standards have improved, cars got heavier and heavier which counteracts performance and efficiency. While engine power has been greatly improving over the years, I think fuel efficiency hasn't improved nearly as much.
2025 Mazda CX-50 Preferred Hybrid
2011 Suzuki Kizashi Sport GTS 6MT (Sold)
2011 Suzuki Kizashi Sport GTS 6MT (Sold)
Remember the Dodge Omni/Plymouth Horizons? EPA highway estimate of 55 mpg. They were a lot lighter!KuroNekko wrote: Well, the Kizashi is an exception. The reality is that normally aspirated V6 engines of today are making way more power than modified V8 engines of even a few decades ago. Turbo 4s are even outputting close to 300 HP these days.
If anything, I don't think it's power that's the problem but weight. As safety standards have improved, cars got heavier and heavier which counteracts performance and efficiency. While engine power has been greatly improving over the years, I think fuel efficiency hasn't improved nearly as much.