527504 Flowmaster 50 Big Block Muffler - 2.75 Dual In / 2.50 Dual Out - Mild Sound

530504 Flowmaster 50 Big Block Muffler - 3.00 Dual In / 2.50 Dual Out - Mild Sound

530513 Flowmaster 50 Big Block Muffler - 3.00 Dual In / 3.50 Offset Out - Mild Sound

53553 Flowmaster 50 Big Block Muffler - 3.50 Offset In / 3.50 Offset Out - Mild Sound