Showing 7 products
OEM+ ECU SOFTWARE 2.0TFSI EA113
QST ECU Software EA113 S/R Stage 1/2/2+
APR Stage 1 ECU Software EA113 High Output
Wagner Competition Intercooler Kit MK5/6 TFSI/TSI
APR TCU Software DQ250 S3 8P/MK5/MK6 GTI/R
QST have been offering performance ECU software since the early 2000's, developing and offering some of the industries leading ECU and TCU software to our customers. Developed and verified on our in-house MAHA dyno, then verified in the real world with performance timing equipment, we offer a full range of tuning requirements ranging from Stage 1 all the way to Stage 3 with bespoke hardware changed to unlock efficiency.