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BMW Supersprint Section 1 with resonators 781502 E24 E28 635 635CSi 535 535i:
$535.00
Brand new Supersprint 781502 front section, or \"section 1\", with resonators. These are designed to be used with the Supersprint \"Tubolare\" performance headers on M30 powered BMW E24 and E28 models. I bought these for a project and ended up installing custom catalytic converters instead of using these. Retail is $612.