3" SS Comp. Only Connection Pipes(Corsa). 2004-2007 Cadillac CTS-V 5.7L/6.0L. Lift Kit 7L 2DR/4DR Optional Muffler -

7L 2DR/4DR Optional Muffler - Brushed

The headers are constructed of 1-1/2

It seals against the engine bay heat whilst still allowing some air entry from the cold side of the engine bay where the hood meets the wing

corrosion resistance and overall breath-taking appearance

providing a seamless fit that offers outstanding protection against stone chips

3" SS Comp. Only Connection Pipes(Corsa). 2004-2007 Cadillac CTS-V 5.7L/6.0L. Lift Kit 7L 2DR/4DR Optional Muffler -3" x 2 1 2" Corsa Stainless Steel Competition Only Connection Pipes. 2004 2007 Cadillac CTS V LS6 LS2 5. 7L 6. 0L. Stainless Steel Construction Competition Only Connection Pipes Connects Kooks headers to Corsa Catback Requires Kooks Long Tube Headers