Rating: 4.61 based on reviews 
Carrying one of the largest ranges of performance and sports exhausts in all of Europe, Milltek knows how to make your ride perform to its best and look great.
Milltek Back Boxes Range
With 20 years of experience manufacturing some of the best stainless steel exhaust parts and technology, Milltek knows how build a backbox that delivers all the performance, looks and exhaust tone that you need.
Conforming to the demanding German TUV manufacturing standard, every part of Milltek backboxes – from design to the moment they leave the factory floor, is all done to the highest possible standard.
If you are looking for real power gains and amazing, long-lasting build quality, then Milltek backboxes are the way to go.
Milltek Jet Back Boxes
Using the same T304 stainless steel used in aircraft construction, the Milltek Jet backbox provides amazing strength and durability. The high chromium content of T304 stainless steel also provides top-level corrosion resistance.
Whilst offering these benefits, T304 stainless steel is also very light, offering weight reductions over OE parts and less weight for your ride to carry around.
The Jet backbox came about from Milltek wanting to design a backbox that did not sound like a jet on take-off. Milltek understands that exhaust tone is an important part of any ride, but it does not have to deafen everyone in a two-mile radius.
The Jet backbox is the result of their work. Whilst helping provide better exhaust gas flow and, in turn, improved engine performance and much-reduced backpressure, the jet backbox also gives a rich, sporty exhaust tone. All without sound rising to window-shaking levels.
Whilst some performance exhaust parts manufacturers might be happy just providing a small performance boost or earth-shattering exhaust sound. Milltek know that to be the best, you have to deliver the best in every area. And that’s just what the Milltek Jet backbox does.
- T304, high-chromium stainless steel construction
- Light, durable and corrosion resistant
- A sporty, rich exhaust tone without shattering nearby windows
- Improved exhaust gas flow and reduced back pressure means improved performance
Milltek Stealth Back box
As the name suggests, the Milltek Stealth backbox delivers a quietened, stealthy exhaust sound, whilst also boosting performance and making your ride feel sportier and more powerful than ever.
By using the highest grade T304 stainless steel, Milltek can produce a backbox that is both light, durable and delivers performance boosts. Because of its high level of chromium, T304 steel is also highly resistant to corrosion. This means that, no matter the conditions or the driving style, the Milltek Stealth backbox can go the distance – and then some.
The Milltek Stealth backbox came about when Milltek thought about the fact that many drivers do not want a performance exhaust that sounds like the end of the world. They want the performance, but not the over-the-top sound. The result of this was the Stealth backbox.
Coming in various setups for a wide range of makes and models, the Milltek Stealth backbox fits onto both performance and OE exhaust set ups.
Due to their wider set, targeted design, the Stealth backbox delivers much better exhaust gas flow and, at the same time, relieves backpressure on the engine. This combines to unleash the real potential of your ride’s engine and, at the same time, with a subdued, but rich, exhaust tone.
- Made from high chromium content T304 stainless steel
- Durable, strong, lightweight and corrosion resistant
- A subdued, but rich exhaust sound
- Delivers better gas flow and reduced back pressure, which means better performance from your ride