Screwing in a big turbo sounds easy on the internet, but when it comes time to start turning the keys it gets a lot more difficult. Will your original oil lines connect to the new turbo? Is there room for it, or will you have to sacrifice your AC or power steering to make it fit? And would you see any improvement if it’s still connected to the stock inter cooler and exhaust? While a turbo upgrade can be a huge task, it doesn’t have to be with our line of straight fit replacements.

While we carry a full lineup of Borg Warner EFRs, Garrett GTXs, or even our own T3/T4 Turbo for those looking for serious mileage in need of a custom build, we have plenty There are also all the direct upgrades that will give you a nice boost while still maintaining the OEM fit and everyday driver reliability. Most of them will be slightly larger than the stock, but not so much that there is a problem of lag and fit. They can also feature upgrades such as billet aluminum compressor wheels, dump valve actuators, or VNT vanes for faster response and better durability.

If your original turbo only needs to be replaced due to age and general wear and tear, this is a great opportunity to do a little upgrade for those who like to take the occasional back road in their sports car or Prefers towing with his diesel truck. Many of these upgrades borrow OEM parts from higher-end models, such as an early Evo’s 16G turbo on the Mitsubishi Eclipse, or our kit that contains all the tools needed to upgrade to the larger K04 turbocharger on Europe’s Audi RS4 in the US only. things are included.

Specifications, equipped with B5 S4 K03. With either of these options, you’ll see little improvement over a production vehicle, especially if your original turbo was noticeably worn out. Combining them with other common bolt-on modes such as a cooler air intake, a larger inter cooler, and a free-flowing exhaust will allow the upgraded turbo to perform to its full potential. At a certain point, you’ll also want bigger fuel injectors and fine tuning to maintain a safe air/fuel ratio so that all these parts work reliably together.