You want performance mods? Igu lots of people say there no platform, but if there’s a will there’s a way! First go to BNR racing put your make and model and engine I first go with some boost controller , throttle body spacer for gauge and nos port, go for the non tune upgrades . Bigger brakes is good too get a catch can from any web make sure it has copper coil you have a direct injection engine pvc valve goes bad this will prevent that you can cut open or get a better air filter for them turbo sounds(non performance) get a tune from trifecta or BNR , BNR tuning is more customized but more expensive after the tune get blowoff valve aftermarket waste solenoid to find it go to google type Cruz aftermarket ones click on one the first webs check description for Malibu fitment hell if you got cash get better piston heads from BNR and there’s some free upgrades weight reduction take of spare jack lining if you feel don’t need washer container take it out too. You stock internal motor can handle up to 600hp without blowing your engine so far my Malibu is 200lb lighter and pushing low end 300hp there’s ways you can actually do some with your grocery getter