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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 unique BCS Powervalve 100mm Cat delete pipe is the ideal hardware upgrade when considering a power increase on the 3.0 B58 engine. In addition, you will not..

The Powervalve REV III Cat-back SPORT exhaust for the M240i B58 provides you with a perfectly balanced sports tone both externally and internally ..

The Powervalve REV III Turbo-back (with 100 Cell Cat) SPORT exhaust for the M240i 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..