VW 1.8T Cast Turbo Manifold

VW, Audi T3 upgrade Cast Manifold. Treadstone manifolds are cast using a high ductile silicone based iron adhering to a strict ASTM casting standards. These manifolds are very durable and will withstand all the heat and vibration you can throw at them. Our manifolds casting exceeds OEM specifications and now come with lifetime warranty against cracking(veiw tech page for additional info on warranty). All of our manifolds incorporate external 35 or 38mm wastegate, and either T3 or T4 standard turbine inlet. All internal surfaces are cast smooth for high flow and low surface friction. This manifold retails for over $500 through many other manufactures, but you can get it here at wholesale pricing.

Tial38/Evolution external wastegate flange

Standard T3 flange

Fits T3 and T3/T4 hybrid turbos

Lifetime warranty!

99-up VW 1.8T engines (Europe, US)

all- Audi 1.8T engines (Europe, US)

Seat Leon 1.8T (Europe, South America)

Audi TT applications, you have to use a small T3 turbo, or you may need to dent in firewall

audi A4 applications, you can use up to T04 S cover compressor with no modifications.