FSCM Tune Bolts 2L but can have a

2L but can have a clearance issue with a coolant line on the firewall

with precision CNC machined faces

Product note: You may be shipped a GM genuine OEM water pump in your shipment

5" straight through resonator that we use in the Ecotec/Sonic/Cruze/and other cat backs

Gains of over 10HP have been seen along with a substantial drop in knock

FSCM Tune Bolts 2L but can have aThis is intended for people with an HPTuners interface, it is intended for them to read their FSCM file and email it to us for modification. This will require using 1 HPTuners credit which can be found here. This single credit is not included with the standard ZZP tune. The modifications can include: Increasing desired (low side) fuel pressure at high load. Decreasing desired (low side) fuel pressure at low load. (to help big injector cars maintain a