Showing 1 products
Filter by
Clear- Audi RS3 8Y
- Audi TTS 8S
- Porsche 991.2 Carrera
- TTRS 8S
- Volkswagen Golf MK8R
- Audi A3
- Audi A4 A5 B9
- Audi A6/A7/A8 C7 ON
- Audi R8 GEN 2
- Audi R8 V10/+ (GEN 1)
- Audi RS3
- Audi RS3 8p
- Audi RS3 8V
- Audi RS3 8V.2
- Audi RS4 B7
- Audi RS4 B9
- Audi RS5 B9
- Audi RS6 C7
- Audi RS6 C8
- Audi RS7 C7
- Audi RS7 C8
- Audi RSQ3 MK2
- Audi RSQ8
- Audi S1
- Audi S3
- Audi S3 8P
- Audi S3 8V
- Audi S3 8Y
- Audi S4 B9
- Audi S4/S5 B8
- Audi S5 B9
- Audi S6 C7
- Audi S6 C8
- Audi S7 C7
- Audi S7 C8
- Audi S8 D4
- Audi SQ2
- Audi SQ5
- Audi TT 8S
- AUDI TTRS
- AUDI TTRS 8J
- Audi TTRS 8S
- Audi TTS 8J
- Audi TTS 8S
- BMW M135i (N55)
- BMW M140i
- BMW M2
- BMW M2 N55
- BMW M235i
- BMW M240i
- BMW M2C
- BMW M2CS
- BMW M3
- BMW M3 F80
- BMW M335i (N55)
- BMW M340i
- BMW M4
- BMW M435i (N55)
- BMW M440i
- BMW M5
- BMW M6
- Golf MK7 R
- Lamborghini Huracan
- Lamborghini Urus
- Leon Cupra MK3 280/290/300
- Mclaren 540c
- Mclaren 570S
- Mercedes A35 AMG
- Polo GTI 6C
- Porsche 718 GTS
- Porsche 991/991.2 Turbo/S
- R8 V8
- RS3 8V
- RS3 8V.2
- RSQ3 MK1
- Seat Leon Cupra MK3 280/290/300
- TTS 8S
- Volkswagen Golf GTI MK6
- Volkswagen Golf GTI MK7
- Volkswagen Golf MK6 R
- Volkswagen Golf MK7 R
- Volkswagen Golf MK8 R
- Volkswagen Golf R MK7
- Volkswagen Polo GTI 6C
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.