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 style manifold. Fits only the cylinder heads of 2.2 and 2.4 litre engines. Pipe diameters (mm): 41.5-> 50.8-> 63.5 . Material steel. Pipes welded end to end without ste

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

6-2-1 XL Type for race tuned M20 engines. Wide power range. Thermal isolating TechLine BlackSatin ceramic coating. Pipe sizes 41,5-50,8-63,5mm. Connection to exhaust system: 63,5mm pipe.

6-2-1 type manifold for M20 engines. Provides more power thru entire power range.  Engine wakes up 1000 rpm earlier than stock.   Mild steel with thermal isolating TechLine BlackSatin ceramic coatin

For the M10-type engine (chain-driven camshafts). Pipe diameters (mm) 44.5-> 44.5-> 50.8. Mild steel with TechLine BlackSatin ceramic coating. Lamda sond boss at outlet pipe.

For the M10-type engine. Pipe diameters (mm) 44.5-> 50.8-> 63.5. Designed for race use with wide power range. Mild steel with Thermal isolating TechLine BlackSatin ceramic coating. Lamda sond bo

6-2-1 type manifold for M20 engines. Provides more power thru entire power range.  Engine wakes up 1000 rpm earlier than stock. Material Stainless Steel. Lamda sond boss at outlet pipe. Bolt-on fitti

4-2-1 manifold for racing use. Pipe diameters (mm): 50.8-> 57.1-> 63.5. Material steel. Thermal isolating TechLine BlackSatin coating. 

BMW E36 325 6-2-1 pakosarja M50-moottoreille kilpakäyttöön.  Moottoritilan lämpötilaa pudottava musta BlackSatin keramipinnoitus vakiona.

Race Exhaust Manifold 6-2-1. For S50B30 and S50B32 engines. Pipe diameters 44,5-57-76mm.

4-2-1 type exhaust manifold for race and street use. Fits both 16- and 20 valve cylinder heads. Pipe diameters 38-44,5-50,8mm. Material Aisi409 stainless. Designed for engines with power up to 180hp.

4-2-1 manifold, suitable for racing and street tuning for up to 180 bhp. Fits to both 16V and 20V cylinder heads. With flange connection for catalytic converter models. Lambda sensor connection with