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34% Off
ME7 FTDI Based Flashing Cable
$32.99 USD
$32.99 USD
$50.00 USD
ME7 FTDI Based Flashing Cable that works with our flashing software.
21% Off
Set of TWO Audi S4 - A6 - Allroad 2.7T & RS6 4.2l Biturbo Bosch Primary Oxygen Sensor Plug and Play Pre-cat Air-Fuel O2 Sensors
$192.00 USD
$192.00 USD
$242.65 USD
Set of TWO Audi S4 / A6 / Allroad 2.7T & RS6 4.2l Biturbo Bosch Primary Oxygen Sensor Plug and Play Pre-cat Air/Fuel O2 Sensors
18% Off
Audi RS4 B5 Borg Warner K04 Turbo Chargers New limited supply for Audi B5 S4 2000-2002 2.7T and 2000-2004 C5 A6 2.7T
from $2,869.00 USD
from $2,869.00 USD
$3,495.00 USD
Limited supply of OEM brand new authentic K04 turbo chargers from B5 RS4 in europe.  Great price! People would pay $2000+ per turbo only a few years ago.  These turbos are high quality and last a l...
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14% Off
Ringer Racing: Clutch Kit Audi B5 S4 2000-2002 - C5 A6, Allroad 2.7T - C5 RS6 Manual Swaps Ringer Racing: Clutch Kit Audi B5 S4 2000-2002 - C5 A6, Allroad 2.7T - C5 RS6 Manual Swaps
from $832.50 USD
from $832.50 USD
$965.00 USD
This is a Private Label kit built by Clutch Masters exclusively for Ringer Racing.  Great options for tuned and high power stage 3 builds requiring high clamping force.  If you add a flywheel it wi...
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10% Off
B5 Audi S4 2.7T - Audi A6 2.7T - Audi Allroad 2.7T Custom Stage 2 E85 Tuning
from $450.00 USD
from $450.00 USD
$499.00 USD
B5 Audi S4 2.7T / Audi A6 2.7T / Audi Allroad 2.7T Custom Stage 2 Tuning for E85 with Revisions.  Includes tuning the car on E85 as well as 91/93 pump gas (We start off tuning the car on 91/93, the...
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27% Off
Replacement Red R8 Coil Pack Kit (Set of 6)
$165.00 USD
$165.00 USD
$225.00 USD
This includes 6 high quality red r8 push down style coil packs, commonly used with our complete conversion kit sold on the website for 2.7T.   
5% Off
Stage 3 Fueling Kit for 2000-2002 B5 Audi S4 2.7T and Audi A6 2.7T Stage 3 Fueling Kit for 2000-2002 B5 Audi S4 2.7T and Audi A6 2.7T
$719.00 USD
$719.00 USD
$759.00 USD
This is our entry level fueling kits that does NOT include our custom remote tune with revisions and flashing cable.  This will handle any K04 or K04 hybrid setup on 91, 93 octane, or race gas or K...
31% Off
R8 - 2.0T Coil Conversion Wiring Adapters - ICM Delete for Audi B5 S4 and C5 A6 - Allroad 2.7T R8 - 2.0T Coil Conversion Wiring Adapters - ICM Delete for Audi B5 S4 and C5 A6 - Allroad 2.7T
$89.00 USD
$89.00 USD
$129.00 USD
R8 / 2.0T Coil Conversion Upgrade Wiring Adapters / ICM Delete kit  for Audi B5 S4 and C5 A6 / Allroad 2.7T- (2) ICM Plug and Play Delete Adapters- (6) Coil Pack Wiring Plug and Play AdaptersThese ...
29% Off
B5 Audi S4 2.7T - Audi A6 2.7T - Audi Allroad 2.7T Custom Stage 1 Tuning
$249.00 USD
$249.00 USD
$350.00 USD
B5 Audi S4 2.7T / Audi A6 2.7T / Audi Allroad 2.7T Custom Stage 1 Tuning with Revisions Requires a stock ECU or flashed ecu, NO CHIPPED ECU's! If you have a chipped ECU contact us so we can repa...
23% Off
AEM V3 Universal Water-Meth Injection Kit 30-3300
from $499.95 USD
from $499.95 USD
$647.06 USD
AEM V3 Universal Water/Meth Injection Kit 30-3300Water injection for gas engines is a proven means for effectively reducing engine inlet air temperatures and suppressing harmful detonation on force...
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4% Off
Stage 2 E85 Fueling Kit WITH Custom Tune for 2000-2002 B5 Audi S4 2.7T and 2000-2004 Audi A6 - Allroad 2.7T (AKA Baby Stage 3 Kit) Stage 2 E85 Fueling Kit WITH Custom Tune for 2000-2002 B5 Audi S4 2.7T and 2000-2004 Audi A6 - Allroad 2.7T (AKA Baby Stage 3 Kit)
$1,019.00 USD
$1,019.00 USD
$1,059.00 USD
This is our entry level fueling kits that includes our custom remote tune with revisions and flashing cable.  Up to 380-390 wtq and 300-330 whp to the wheels! Great option if you are looking to hav...
11% Off
Innovate DLG-1 Dual Wideband Sensor Lambda Air-Fuel Ratio Gauge
from $398.00 USD
from $398.00 USD
$448.16 USD
Innovate DLG-1 Dual Lambda Air/Fuel Ratio GaugeInnovate DLG-1 Dual Lambda air/fuel ratio gauges allow you to monitor left and right exhaust banks at the same time. They are perfect for all V6, V8, ...
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3% Off
Torque Factory Y-Pipe with 3 Torque Factory Y-Pipe with 3
from $1,649.00 USD
from $1,649.00 USD
$1,695.00 USD
3 Silver / 2 Black KITS LEFT AVAILABLE! Kit Includes: Torque Factory Y-Pipe 4.5” (114mm) inlet with dual 3.5” (89mm) outlets. 4.5” (114mm)  MAF and Intake with bell mouthed filter (6.5” b...
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11% Off
SEP Audi S4 RS4 2.7T - A6 2.7T Billet K04 Turbo Kit
from $1,599.00 USD
from $1,599.00 USD
$1,799.00 USD
SEP Audi S4 RS4 2.7T / A6 2.7T Billet K04 Turbo Kit These are our billet wheel version of our ko4 025/26. These turbos utilize a slightly bigger / taller compressor wheel and are rated for 28 psi. ...
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11% Off
SEP Audi S4 RS4 2.7T - A6 2.7T Billet RS6T RS6-K04 Hybrid Turbo Kit SEP Audi S4 RS4 2.7T - A6 2.7T Billet RS6T RS6-K04 Hybrid Turbo Kit
from $1,599.00 USD
from $1,599.00 USD
$1,799.00 USD
SEP Audi S4 RS4 2.7T / A6 2.7T Billet RS6T - RS6/K04 Hybrid Turbo Kit These turbos feature billet rs6 style billet compressor with rs6 size turbine from enhanced turbo UK.  Featuring upgraded 360 d...
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11% Off
AFE 3.5
$76.00 USD
$76.00 USD
$85.49 USD
AFE 3.5" Magnum Flow Pro Dry S Cone Air FilterThese filters have been tested to work well with the MAF elements used on many audi vehicles.  We found after tuning MAF based Audi and VW vehicles ove...