Supersprint has the perfect exhaust for the unique, extremely rare 1991-1992 Alpina E30 B6 3.5 S.
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https://www.supersprint.com/ww-en/supersprint-performance-sport-exhaust-alpina-e30-b6-s.aspx
This same exhaust is offered for any custom-built E30 with the conversion to the M30 engine.
The flexibility in the application of this Supersprint system made it very popular among the Tuners in Germany, expecially Hartge.
The 3.5l, naturally aspirated I-6 engine, built and tuned by Alpina, and by Hartge as well, craves for oversized, long runner tubular headers and a for a free-flowing, large diameter dual line exhaust.
Supersprint makes stainless headers with the ideal diameter, lenght on both the primaries and the downpipes sections, which ensure the best performance gains.
Also, our mid resonator and rear muffler, with their straight-thru design, inner perforated cores, guarantee a lower exhaust backpressure and an awesome sound.
We can proudly say that the Supersprint 304-grade stainless steel performance exhaust is the most effective, durable addition to these classic BMW, Alpina and Hartge cars, by far.