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The BCS Powervalve road legal, 5.5" round, 100 cell Twin Brick (2 x 100 Cell Bricks) Sports cat is the ideal hardware upgrade when considering a power increase on the 3.0 B58 ..

The Powervalve REV III Cat-back SPORT exhaust for the M140i B58, provides you with a perfectly balanced sports tone both externally and internally&nbs..

The Powervalve REV III Turbo-back (with 100 Cell Cat) SPORT exhaust for the M140i B58, provides you with a perfectly balanced sports tone both ex..

Upon the release of the M140i and 240i, it became instantly recognizable that the exhaust note from the mighty 3.0 turbo had fallen below the levels of expectation from owners lo..

Upon the release of the M140i and 240i, it became instantly recognizable that the exhaust note from the mighty 3.0 turbo had fallen below the levels of expectation from owners lo..

The BCS Valveless acoustically tuned Cat-Back exhaust is our OEM + sound option for the BMW M140i F21/22, providing you with a Significantly uplifted sound over..