BMW E21/E30 4-cyl 1.8/2.0 4-2-1 XL exhaust manifold
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 boss at outlet pipe.
For the M10-type engine (chain-driven camshafts). Pipe diameters (mm) 44.5-> 50,8-> 63,5. Mild steel with thermal isolating TechLine BlackSatin ceramic coating. Designed for race tuned engines. Provides wide power range.
Collector part is fitted with springs. That eliminates the risk of primary pipe cracking due to engine movement. Also that makes it possible to tune power range. Shortening of seconary pipes will move power range to higher revs.
Lamda sond boss at outlet pipe.
Recommended exhaust system size 2.5".
E21: Weld-together exhaust system kits available.
E30: Choose universal pipes, curves and silencers to build the exhaust system. https://martelius.com/en/universal-parts
| Car Make | BMW |
|---|---|
| Car Model | 300 series E21, 300 series E30 |
