Borla CrateMuffler BBC 396/402/427 ATAK 2.5 inch ID Offset/Center 14in x 4.35in x 9in Oval Muffler 2011-dodge-challenger-esi9643112 A simple custom adapter will

A simple custom adapter will be required to mate your aftermarket downpipe & the 3

or 100cpsi catalysts

The ColdFront™ will provide the safety margin needed in order for you to push the limit with confidence

5mmiPE Header with 200 cell Cat = 8

remapping the ECU is mandatory in order to prevent potential check engine light on warning signals

Borla CrateMuffler BBC 396/402/427 ATAK 2.5 inch ID Offset/Center 14in x 4.35in x 9in Oval Muffler 2011-dodge-challenger-esi9643112 A simple custom adapter willBORLA(r)'s CrateMuffler(r) is the world's first muffler purpose built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. This muffler is tuned for the Chevrolet Big Block 396 402 427 CID V8 engine family. The directional design provides the agressive ATAK(r) sound and will dramatically reduce, or eliminate drone on specified