Flowmaster 40 Series Muffler, 2.50" Dual In, 3.00" Center Single Out Brake Calipers & Brake Pads make sure to use a

make sure to use a 4 wheel disc proportioning valve

1967-87 uses a 0-90 ohm

This kit is for the original GM drop out style rear end

Caprice and Wagon

Flowmaster 40 Series Muffler, 2.50" Dual In, 3.00" Center Single Out Brake Calipers & Brake Pads make sure to use aThe 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. Features: Durable fully welded 16 gauge aluminized steel Aggressive Sound Exterior Exhaust Tone Noticeable interior resonance Excellent Street Strip and Off Road application