CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Black - 8131B fits_2010-2014`Cadillac`CTS 2L 1-7/8" x 3" Stainless

2L 1-7/8" x 3" Stainless Steel Long Tube Headers includes 3" x 2-3/4"(OEM) GREEN Catted Connection Pipes

3L (td-di)

0 Liter TR690

0 Liter 09A

CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Black - 8131B fits_2010-2014`Cadillac`CTS 2L 1-7/8" x 3" StainlessThe original OEM B58 heat exchanger is a 1 row unit that is 27mm thick. In comparison, CSF has used its industry exclusive world's largest 2 row core (68mm) with CSF's B Tube technology. A unique tank design allows the larger CSF core to still fit into the OEM cooling system housing. Another critical feature of the CSF BMW B58 high performance heat exchanger is its unique triple pass flow design. The water traveling through the upgraded heat exchanger