Milltek Exhaust – Audi S4 3.0 Turbo V6 B9 – Saloon/Sedan & Avant (Sport Diff Models Only) Cat-back Exhaust SSXAU721

The Milltek Advantage

Why Buy a Milltek Sport Exhaust?

Milltek Exhaust performance stainless steel exhausts have a genuine performance edge - noticeable power gains, sounds that are truly awesome, styled looks that are aggressive but discrete and a feeling of true exhilaration. A Milltek exhaust offers a comprehensive exhaust range for various models which include cat back systems, gpf/opf back exhaust systems, sports cats, de-cats, manifolds, bypass pipes and much more.

• Transforms performance and driveability
• Sharper throttle response
• Substantial weight saving over original equipment exhaust systems
• Premium quality type-T304L aircraft grade stainless steel
• Over 40 years of continuous exhaust development and technical expertise
• Ever expanding comprehensive selection of performance exhausts
• Designed, developed and manufactured in the UK Since 1983
• A Milltek exhaust comes with a lifetime guarantee for the first purchaser (excluding cats & flexes)

Your Milltek exhaust system is manufactured in high-quality type T304L aircraft grade stainless steel. This material is anti-magnetic (other manufacturers' stainless steel may not be) and is less susceptible to discoloration. This quality of stainless steel is used on all pipework and the total construction of the silencer. Mandrel bending ensures full flow bends for better gas flow and every Milltek exhaust system is increased in bore to ensure ultimate performance without the loss of mid-range torque. Your Milltek exhaust is designed, developed and manufactured in-house in the UK. Upgrade to a Milltek exhaust today!

**De-cats, Sports/Race Cats & GPF Bypass Deletes Are For Motorsport Use Only**