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ALPINA B6 (E21) 2.8i ' 79 -> ' 83

aka: Performance sport exhaust for ALPINA E21 B6


The 1979-1983 Alpina E21 B6 2.8, based on BMWs own 323i, is one of the first conversions to the larger, M30 6 cyl. engine ever made.

Other tuners had soon come out with other versions, tweaked to larger displacement and more hp, such as as the Hartge H3, which used the 3.5L engine, taken straight out of the 635csi.

Supersprint was there from the very beginning, developing, building our legendary long-tube headers, and completing them with oversized diameter, high flowing exhausts, to match the engine specifications, and ensure the maximum performance gains.

Now 35 year later, we still offer the same exhaust systems to the E21 enthusiasts, worldwide.

All of the Supersprint exhausts are designed to perform and built to last, as always.

With ECC Homologation
Component E.E.C. homologation valid only when fitted to the specific Supersprint homologated rear exhaust
Compliant to the permissible noise emission regulation No. 70/157/EEC.
Conformity derived from an EEC Type Approval Certificate which does not explicitly list this specific vehicle model.
Compliant to the permissible noise emission regulation No. 70/157/EEC.
Compatible with the OEM catalytic converter
Discontinued Product. Available while stock lasts
Threaded bung for oxygen sensor provided
With certificate of conformity for classic exhaust design
Systems for replacement of kat for OBD II car models (with lambda sensors before and after the kat.)

These systems can only be used for racing purpose exclusively, in conjunction with the modifications of the engine management system. If used with a stock “ECU”, malfunctions may occur. All modifications must be carried out by qualified personnel only, under the liability of the car owner and at his expense.

Supersprint guarantee is limited to the quality, workmanship and correctly fitting to the intended car model for all race products. - Internet Partner