Audi S4 Fuel

034 Billet Drop-In Fuel Pump Adapter Kit, Bosch 60mm

USD 188.00

NGP Racing

034 Fuel Rail Pair, Audi 2.7T, With Brackets

USD 230.00

NGP Racing

034 Injector Adapter Hat, RS4 and Others, Short to Tall - Set of 6

USD 91.00

NGP Racing

034Motorsport Billet Drop-In Bosch 60mm Fuel Pump Adapter Kit for B5/C5 Audi Platforms

USD 188.00

XLR8 Performance

034Motorsport Billet Drop-In Fuel Pump Adapter Kit for AEM/Aeromotive 320 LPH Pumps

USD 116.00

XLR8 Performance

034Motorsport Billet Drop-in Fuel Pump Upgrade Kit, Aftermarket Motorsport "044" For Audi Applications | 034-106-6014

USD 526.00

XLR8 Performance

034Motorsport Fuel Rail Upgrade for B5 Audi S4 2.7T

USD 230.00

XLR8 Performance

034Motorsport Injector Adapter Hat for RS4 and Others, Short to Tall (Set of 6)

USD 91.00

XLR8 Performance

034Motorsport Injector Adapter Hat, RS4 and Others, Short to Tall - Set of 5 | 034-106-3022-5

USD 78.00

XLR8 Performance

034Motorsport Injector Adapter Hat, Short to Tall - Set of 4 | 034-106-3022-4

USD 65.00

XLR8 Performance

034Motorsport RS+ Injector Upgrade Kit, EA839 3.0T & 2.9T

USD 2400.00

NGP Racing

2 Pin Connector for Fuel Injector (OEM) for Audi B8-C7

USD 10.49

JH Motorsports

3.0T HPFP Upgrade

USD 376.00

ET Spec

4 Bar OEM Fuel Pressure Regulator FPR for Audi S4 2.7T - A6 - Allroad & A4 1.8T

USD 54.99

ET Spec

6X Injector Dynamics IDX EV14 Injectors for Audi S4 2.7T Allroad A6 2.7T

USD 819.00

ET Spec

6X Upgraded Bosch EV14 Injectors w- adapter clips for B5 Audi S4 (635cc, 724cc, 865cc, 1000cc, 1176cc)

USD 269.99

ET Spec

8X Injector Dynamics IDX EV14 Injectors for Audi RS6 4.2

USD 1089.00

ET Spec

AEM 340LPH 65mm Universal Fuel Pump Kit

USD 159.00

ET Spec

AEM V3 Universal Water-Meth Injection Kit 30-3300

USD 565.95

ET Spec

Aeromotive External FPR 2x 8AN Inlet 1x 6AN Return PN # 13139

USD 249.00

ET Spec

APR High Pressure Fuel Pump - 2.9T and 3.0T EA839 (New Pump)

USD 1399.95

ET Spec

APR High Pressure Fuel Pump - 2.9T and 3.0T EA839 (Rebuild)

USD 649.95

ET Spec

APR High Pressure Fuel Pump for Audi/Porsche/Bentley 2.9T & 3.0T EA839 | MS100207

USD 1449.95

XLR8 Performance

Audi B5 A4 S4 OEM Fuel Level Sending Unit 8D0979673B

USD 315.00

Audi S4 Parts

Audi B8/B8.5 MPI Kit

USD 1899.00

Graveyard Performance

Audi CREC MPI Fueling Upgrade by Jackal Motorsports

USD 69.95

Jackal Motorsports

Audi EA839 RS5 Fuel Injectors

USD 895.95

AMTuned

Audi S4 B5 2.7T - C5 A6 Allroad 2.7T - Twin Fuel Pump Bracket

USD 99.99

ET Spec

AUDI S4 Bluetooth Flex Fuel Kit for the B8 & B8.5

USD 454.95

Burger Motorsports

Audi S4 Water/Methanol Injection (WMI) Nozzle Adapter

USD 129.00

Burger Motorsports

Autotech Fuel Pump Tool Audi B9 S4 etc (3 prong) - 10.127.113T

USD 24.99

XLR8 Performance

Autotech High Volume Fuel Pump Kit Audi B9 S4 EA839

USD 339.90

XLR8 Performance

Autotech High Volume Fuel Pump Upgrade Kit For 09+ Audi 2.0T 2.5T 3.0T FSI TFSI - 10.127.101K

USD 339.90

XLR8 Performance

Autotech HPFP Upgrade Fuel Pump Tool for EA839 2.9TFSi & 3.0TFSi 10-127-113T

TTE Global

Autotech HPFP Upgrade Kit for EA839 2.9TFSi & 3.0TFSi 10-127-113K

TTE Global

B5 Audi S4 2.7T - Audi A6 2.7T - Audi Allroad 2.7T Custom Stage 2 E85 Tuning

USD 450.00

ET Spec

B5 Audi S4 2.7T - Audi A6 2.7T - Audi Allroad 2.7T Custom Stage 3 Tuning for E85

USD 549.00

ET Spec

Billet Drop-In Fuel Pump Adapter Kit, 39mm, AEM, Aeromotive, Walbro

USD 116.00

NGP Racing

Bosch EV14 550cc Injectors

USD 505.00

Jackal Motorsports

Bosch Fuel Injector O-Ring - 1280210711

USP Motorsports

Braided MPI Fuel Line Upgrade Kit (JHM) for C7.5 A6-A7, 4M Q7, D4 A8, and ROW B8.5 S4-S5 CREC EA837 EVO 3.0T

USD 66.45

JH Motorsports

Check Valve, In-Line for Vacuum-Boost System (URO) for B5-A4-S4 and B6-A4 1.8T

USD 29.26

JH Motorsports

Check Valve / Y - Updated (OEM) for B6-B7 S4

USD 71.82

JH Motorsports

Check Valve / Y - Updated (OES) for B6-B7 S4

USD 38.95

JH Motorsports

DeatschWerks 01-08 Audi S4/RS6/S6/S8 4.2L 350cc Injectors - Set of 8

USD 599.00

NGP Racing

DeatschWerks 01-08 Audi S4/RS6/S6/S8 4.2L 350cc Injectors - Set of 8 - 21S-06-0350-8

USD 599.00

eTek Tuning

DeatschWerks 01-09 Audi S4/RS6/S6 4.2L V8 550cc Injectors - Set of 8

USD 719.00

NGP Racing

DeatschWerks 01-09 Audi S4/RS6/S6 4.2L V8 550cc Injectors - Set of 8 - 21S-06-0550-8

USD 719.00

eTek Tuning

DeatschWerks 01-09 Audi S4/RS6/S6 4.2L V8 750cc Injectors - Set of 8

USD 819.00

NGP Racing

DeatschWerks 01-09 Audi S4/RS6/S6 4.2L V8 750cc Injectors - Set of 8 - 17U-06-0750-8

USD 819.00

eTek Tuning