FSCM Tune Bolts no one supports their customers

no one supports their customers like this

ours is much better options than buying the cheaply made knock offs

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

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

AEM X-Series wideband UEGO air/fuel sensor controller gauges are the way to go

FSCM Tune Bolts no one supports their customersThis 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