Martelius exhaust manifolds

Racing-spec 4-2-1 Kitcar manifold. Fits only the cylinder heads of 2.2 and 2.4 litre engines. Pipe diameters (mm): 44.5-> 50.8-> 57-63.5 Note: Not always in stock, manufactured to orders.

Racing-spec 4-2-1 Kitcar manifold. Fits only the cylinder heads of 2.2 and 2.4 litre engines. Pipe diameters (mm): 44.5-> 57-> 63.5 Note: Not always in stock, manufactured to orders.

Racing-spec 4-2-1 Kitcar manifold. Fits only the cylinder heads of 2.2 and 2.4 litre engines. Pipe diameters (mm): 41.5-> 50.8-> 63.5 Note: Not always in stock, manufactured to orders.

4-2-1 XL manifold for Ascona and Manta B models. Pipe diameters (mm): 44.5-> 50.8-> 63.5 Note: When ordering, choose the preferred outlet pipe size. Options are 63.5mm and 57mm.

Racing-spec XXL manifold. Fits to 2,0 head. Pipe diameters (mm): 44,5-> 57-> 63.5 Note: Not always in stock, manufactured to orders.

Tubing size 41,5 - 50,8mm - 63,5mm

4-2-1 race exhaust manifold. Good midrange and top end power rd capacity CIH engines. Tubing diameters (mm): 41.5->50.8->63.5

4-2-1 race exhaust manifold. Good midrange and top end power production. Suitable for high tuned and/or increased capacity CIH engines. Tubing diameters (mm): 44.5->50.8->63.5

4-2-1 race exhaust manifold. Good midrange and top end power production. Suitable for very high tuned and high capacity CIH engines. Tubing diameters (mm): 44.5->57->63.5

Astra GSi -95 manifold for racing use. Pipe diameters (mm): 44.5-> 50.8-> 57 Optional outlet size 63,5

Weld to fit exhaust kit, includes two silencers and bent to shape tubing. Needs welding on assembly. Tubing 50.8 mm (2in).

The flow is significantly improved by installing this manifold. Extra fuel supply to the engine is highly recommended. This product only fits directly to the Martelius exhaust systems (product ID's 10

For the M10-type engine (chain-driven camshafts). Fits directly (E30) only with the Martelius exhaust system (product ID 100003). Pipe diameters (mm) 44.5-> 44.5-> 50.8. Mild steel with ceramic coatin

For the M10-type engine. Pipe diameters (mm) 44.5-> 50.8-> 63.5. Mild steel with ceramic coating.

The flow is significantly improved by installing this manifo e engine is highly recommended. This product only fits direc tly to the Martelius exhaust systems (product ID's 100 004and 100 012). Pipe d

For the M40-type engine (belt-driven camshafts). Fits directly only with the Martelius exhaust systems (product ID's 100 007 and 100 013). Pipe diameters (mm) 41.5-> 41.5-> 50.8.

4-2-1 manifold for racing use. Not for cars with catalytic converter. Pipe diameters (mm): 50.8-> 57.1-> 63.5

Race Exhaust Manifold 6-2-1. For S50B30 and S50B32 engines. Pipe diameters 44,5-57-76mm. Standard Coating is TechLine BlackSatin ceramic coat for lower engine room temperature. We recommend Martelius