Flowmaster 40 Series - 3.00 Center In / 2.50 Dual Out - Aggressive Sound 430402 2011-cadillac-sts-esi4871859 This assembly measures 21" wide

This assembly measures 21" wide by 16 3/4" top to bottom and only 3" thick overall to offer a precision fit

With its durable construction

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Flowmaster 40 Series - 3.00 Center In / 2.50 Dual Out - Aggressive Sound 430402 2011-cadillac-sts-esi4871859 This assembly measures 21" wideThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Flowmaster 40 Series 3. 00 Center In 2. 50 Dual Out Aggressive Sound 430402 Specifications: 614 4. 00 614 4. 00 615 13. 00 615 13. 00 621 Aluminized Steel 621 Aluminized Steel Body Width 9. 50 Body