JHMotorsports Exhaust - COMPLETE High-Flow Cat Downpipes (JHM Combo) - Audi / B8 / S5 / 4.2LJH Motorsports is proud to offer the JHM B8 S5 4. 2L Complete High Flow Catted Downpipes Combo! NOTE: This downpipe version is necked down to fit the STOCK OEM Catback. If your Aftermarket Catback fits stock downpipes (AWE for example) This is the option you will need. If you have custom 2. 5" catback connection, please see our non necked down version. Just because the system is 2. 5" doesn't mean the connection is. NOW SOLD AS A COMBO! Built as a

be sure to do your research for exactly what  needs to be done to fit this turbo on your car

This is a superior option for cars not equipped with the Porsche Sport Exhaust from the factory

2006-2013 Seat Leon MK2 1

034Motorsport's Dynamic+ Camster Mounts are engineered to significantly improve handling performance for Volkswagen and Audi MQB & MQB Evo vehicles

JHM 330mm 2-piece for the Porsche Cayenne Caliper

Autobahn Autoworx Hose kits come with a 5yr warranty

Peak power gains range from 10-15HP on an otherwise stock vehicle

race fuel grades

Comes with keys

send your differential back to JHM and we will refund the core charge

Secures the oil cooler to the transmission

Price shown is for a PAIR of turbochargers