The replacement of the intake pipe improved the car's performance. Universal 600x300x76 2.5" Intercooler Pipe Alloy Turbo Hard Pipe 3" Thickness. An intercooler is an intake air cooling device commonly used on turbocharged and supercharged engines. An intercooler cools the air compressed by the turbo/supercharger, reducing its temperature and thereby increasing the density of the air supplied to the engine. Replacing a damaged or leaking intake hose is crucial to ensuring the engine receives sufficient air, thereby guaranteeing proper ignition., Manufacturer: Jjwdl