
Fueltech FT450 FT550 Harnesses
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Fueltech FT450 K Series K20 K24 Adapter Jumper / Expansion / SUB Harness for ECU Display V2
Regular price $239.95Regular priceUnit price / per -
Fueltech FT550 K Series Standalone Honda K20 K24 Jumper Adapter Sub Harness V2
Regular price $350.00Regular priceUnit price / per$550.00Sale price $350.00Sale -
Fueltech FT550 K Series Standalone Honda K20 K24 Engine Harness w/ Built in Fusebox
Regular price From $1,095.00Regular priceUnit price / per$1,250.00Sale price From $1,095.00Sale -
Fueltech FT450 Complete Standalone Honda K20 K24 Series Engine Harness
Regular price From $475.00Regular priceUnit price / per$550.00Sale price From $475.00Sale -
Budget Fueltech FT550 Standalone Honda B Series Jumper Adapter Sub Harness
Regular price $249.95Regular priceUnit price / per$299.99Sale price $249.95Sale
Honda Acura Swap Harnesses
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Budget K20 K24 K-Series Tucked Swap Engine Harness RHD, RWD and LHD Acura Honda
Regular price $149.95Regular priceUnit price / per$175.00Sale price $149.95Sale -
D & B-Series OBD1 Tucked Engine Harness Kit w/ Subharness | 92-95 Civic EG EJ
5.0 / 5.0
(4) 4 total reviews
Regular price $394.95Regular priceUnit price / per$449.00Sale price $394.95Sale -
D & B-Series OBD1 Tucked Engine Harness Kit w/o Subharness EG EK
5.0 / 5.0
(2) 2 total reviews
Regular price From $293.45Regular priceUnit price / per$449.00Sale price From $293.45Sale -
D & B-Series OBD1 Tucked Engine Harness Kit w/ Subharness | 96-98 Civic EK
5.0 / 5.0
(3) 3 total reviews
Regular price From $363.45Regular priceUnit price / per$449.00Sale price From $363.45Sale -
D & B-Series OBD1 Tucked Engine Harness Kit w/ Subharness | 99-01 Civic EK
Regular price $394.95Regular priceUnit price / per$449.00Sale price $394.95Sale
Featured products
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OEM+ 1.8T 40 Pin Complete Engine Harness Narrowband/Wideband ECU's | VW Audi Seat Skoda MK4
Regular price $349.95Regular priceUnit price / per$399.95Sale price $349.95Sale -
1.8T PnP Dual Breather Oil Catch Can Kit for OEM Stock Valve Cover - VW MK4 Audi TT
5.0 / 5.0
(1) 1 total reviews
Regular price $225.00Regular priceUnit price / per$255.00Sale price $225.00Sale -
-10AN Block & Valve Cover Breather Adapter Kit For 1.8T 20V Engines | VW Audi Seat Cupra
5.0 / 5.0
(1) 1 total reviews
Regular price $39.95Regular priceUnit price / per$45.00Sale price $39.95Sale -
1.8T PnP Dual Breather Oil Catch Can Kit for CTT Cast or Billet Valve Cover - VW MK4 Audi TT
5.0 / 5.0
(1) 1 total reviews
Regular price $299.95Regular priceUnit price / per$350.00Sale price $299.95Sale -
1.8T 20V AGN Valve Cover Shaved Cast Alloy | VW, Audi, Seat, Skoda
5.0 / 5.0
(2) 2 total reviews
Regular price From $199.95Regular priceUnit price / per$250.00Sale price From $199.95Sale -
1.8T AGN CNC Billet T6061 Aluminum Tappet Valve Cover V2 | VW, Audi
5.0 / 5.0
(1) 1 total reviews
Regular price $499.95Regular priceUnit price / per -
1.8T Injector Tuck Harness v2 w/ IAT, and CAM Leads | Plug n Play | VW GTI Jetta Golf | Audi TT
5.0 / 5.0
(1) 1 total reviews
Regular price $69.95Regular priceUnit price / per$89.95Sale price $69.95Sale -
1.8T MK4 Wire Tucked Complete Engine Harness Wideband ECU's only AWP, AWW, BEA, BAM -
5.0 / 5.0
(2) 2 total reviews
Regular price From $599.95Regular priceUnit price / per$595.95Sale price From $599.95Sold out -
CNC Billet 1.8T to 2.0T / R8 Coil Pack Adapters Spacers VW GTI JETTA GOLF PASSAT | AUDI A4 A6 TT | Silver
Regular price $59.95Regular priceUnit price / per$69.95Sale price $59.95Sale -
CNC Billet 1.8T to 2.0T / R8 Coil Pack Adapters Spacers VW GTI JETTA GOLF PASSAT | AUDI A4 A6 TT | Black
Regular price $59.95Regular priceUnit price / per$69.95Sale price $59.95Sale
New Arrivals
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Billet Gearbox Shifter Arm – Fits 2002-2006 Honda Acura RSX Type-S (K20A/K20A2/K20A3/K20Z1)
Regular price $39.95Regular priceUnit price / per -
Rear A/C Block Off Fittings Kit – Fits 2004-2011 Chrysler Town & Country & Dodge Caravan
Regular price $19.95Regular priceUnit price / per$25.00Sale price $19.95Sale -
Rear A/C Block Off Kit Line Terminator with Dual Bolts – Fits 2012-2015 Dodge Caravan & Grand Caravan
Regular price $19.95Regular priceUnit price / per$25.00Sale price $19.95Sale -
Engine A/C Firewall Block-Off Plug Cover – 1994-2001 Honda Civic & Acura Integra
Regular price $22.50Regular priceUnit price / per
Turbochargers
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GT35 GTX3582 Billet Wheel Turbo .63 A/R T3 Vband Turbine T51R Mod
Regular price $475.00Regular priceUnit price / per -
GEN II GT3582R Journal Bearing Cast Wheel - 6262
Regular price $430.00Regular priceUnit price / per$0.00Sale price $430.00 -
GEN II GTX2860R Dual Ceramic Ball Bearing Turbo Billet Wheel - Internal Wastegate
Regular price $690.00Regular priceUnit price / per$0.00Sale price $690.00 -
GEN II GTX3071R Journal Bearing Billet Wheel
Regular price $460.00Regular priceUnit price / per$0.00Sale price $460.00 -
GEN II GTX3576R Dual Ball Bearing Billet Wheel
Regular price $690.00Regular priceUnit price / per$0.00Sale price $690.00 -
GEN II GTX2871R Dual Ceramic Ball Billet Wheel - Internal Wastegate
Regular price $690.00Regular priceUnit price / per$0.00Sale price $690.00 -
GEN II GTX3584RS Dual Ceramic Ball Bearing Billet Wheel
Regular price $690.00Regular priceUnit price / per$0.00Sale price $690.00 -
GEN II GTX3076R Dual Ball Bearing Billet Wheel
Regular price $690.00Regular priceUnit price / per$0.00Sale price $690.00 -
GEN II GT3076R Journal Bearing Point Cast Wheel
Regular price $430.00Regular priceUnit price / per$0.00Sale price $430.00 -
Street K04 015 Billet Compressor Wheel Turbo charger Upgraded Audi A4 Quattro A6 VW Passat 1.8T 1999
Regular price $237.00Regular priceUnit price / per
Exhaust
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1.8T 99-06 Audi TT Quattro MK1 T-304 Stainless Steel Catless 3-Inch Turbo Downpipe Down Pipe | K03S 180HP
Regular price $165.00Regular priceUnit price / per -
2015+ Mercedes-Benz AMG C63 C63S W205 Downpipe
Regular price $652.45Regular priceUnit price / per$1,399.99Sale price $652.45Sale -
2018+ Audi 8V/8Y RS3 and TTRS 2.5T EVO Race Catless Downpipe
Regular price $463.95Regular priceUnit price / per$650.00Sale price $463.95Sale -
2012 - 2019 Audi C7 S6 S7 RS7 RS6 / D4 S8 A8 4.0 Catless Downpipes Heatshield + Mid Pipe
Regular price $855.45Regular priceUnit price / per$1,900.00Sale price $855.45Sale -
2016-2020 Mercedes-Benz AMG M178 C190 GT GTS GTC GTR GT63 Downpipe 4.0T
5.0 / 5.0
(1) 1 total reviews
Regular price $717.95Regular priceUnit price / per$1,500.00Sale price $717.95Sale -
2022+ VW GTI MK8 GOLF R AWD | Audi S3 3.5" Catless Downpipe
5.0 / 5.0
(1) 1 total reviews
Regular price $550.95Regular priceUnit price / per$649.99Sale price $550.95Sale -
2017+ W213 E63 E63S Downpipes (M178)
Regular price $652.45Regular priceUnit price / per$1,500.00Sale price $652.45Sale -
2017 - 2020 Audi B9 A4/A5/Allroad Catless Downpipe / Test Pipe
Regular price $231.95Regular priceUnit price / per$350.00Sale price $231.95Sale -
2012 - 2019 Audi C7 S6 S7 RS7 RS6 / D4 S8 A8 4.0 Catless Downpipes Heatshield
Regular price $594.45Regular priceUnit price / per -
2017+ Mercedes AMG S63 W222 / C218 / A218 Downpipes
Regular price $652.45Regular priceUnit price / per$1,795.00Sale price $652.45Sale
Harnesses & Connectors
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5 piece Resistor Kit N75 N80 N112 N249 VVT MK4 1.8T, B5 2.7T, B6 1.8T
5.0 / 5.0
(5) 5 total reviews
Regular price $25.00Regular priceUnit price / per$29.95Sale price $25.00Sale -
3 piece Resistor Kit N80 N112 N249 MK4 1.8T, B5 2.7T, B6 1.8T
5.0 / 5.0
(9) 9 total reviews
Regular price $16.50Regular priceUnit price / per$19.95Sale price $16.50Sale -
Honda & Acura Charge Harness D/B/H and K Series
5.0 / 5.0
(1) 1 total reviews
Regular price $38.45Regular priceUnit price / per -
Honda & Acura Ground Kit D/B/H and K Series
5.0 / 5.0
(3) 3 total reviews
Regular price $39.95Regular priceUnit price / per -
K20 K24 K-Series Tucked Swap Engine Harness V3 RHD, RWD and LHD | Acura | Honda |
5.0 / 5.0
(5) 5 total reviews
Regular price $300.00Regular priceUnit price / per$399.95Sale price $300.00Sale
Engine Performance
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1.8T Secondary Air Injection Combi Valve Block Off Plate SAI For VW Audi MK4 B5 B6
5.0 / 5.0
(3) 3 total reviews
Regular price $15.95Regular priceUnit price / per -
BMW N54 Aluminum Valve Cover + Upgraded PCV Valve
4.33 / 5.0
(3) 3 total reviews
Regular price $239.95Regular priceUnit price / per$349.95Sale price $239.95Sale -
EGR Valve Replacement Pipe for VW 1.9L TDI 50MM VE90 | VE 110 | PD100 | PD115 - SILVER
5.0 / 5.0
(1) 1 total reviews
Regular price $38.95Regular priceUnit price / per$49.95Sale price $38.95Sold out -
Boost Tap 1.4 TSI & 2.5T TTRS RS3 Boost Tap Kit VW AUDI
5.0 / 5.0
(1) 1 total reviews
Regular price $15.99Regular priceUnit price / per$19.99Sale price $15.99Sale
Chassis Upgrades
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Volkswagen Motor Mount Spacer Kit JETTA GTI GOLF VW MK4 1.8T VR6 2.0 -Black-
Regular price $139.95Regular priceUnit price / perSold out -
Honda Motor Mount Kit EG EK (D or B series, 2-bolt or 3-bolt)
Regular price From $134.95Regular priceUnit price / per -
02M & 02Q Stainless Steel Shift Forks Upgrade Kit - Genuine VW/Audi
5.0 / 5.0
(1) 1 total reviews
Regular price $329.95Regular priceUnit price / per$495.00Sale price $329.95Sale -
Shifter Cables Shift Linkage For Honda H22 H23 H Series Swap Prelude CRX EG EK
Regular price $104.95Regular priceUnit price / per
Forced Induction
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Blow off Valve Kit V2 EA888 1.8T 2.0T FSI TSI TFSI Gen3 (Black)
5.0 / 5.0
(5) 5 total reviews
Regular price $89.50Regular priceUnit price / per$260.00Sale price $89.50Sale -
1.8T Splitter Style Blow off Valve Kit VW Audi (Silver)
Regular price $65.95Regular priceUnit price / per$199.00Sale price $65.95Sale -
1.8T Upgraded Side Mount Intercooler MK4 ALH TDI
5.0 / 5.0
(3) 3 total reviews
Regular price From $118.95Regular priceUnit price / per -
1.8T Splitter Style Blow off Valve Kit VW Audi (Black)
Regular price $65.95Regular priceUnit price / per$199.00Sale price $65.95Sale -
*Black Edition* Carrot Top Tuning Diverter Valve v2 (DV) MK4 MKIV A4 1.8T 007 008
5.0 / 5.0
(2) 2 total reviews
Regular price $55.95Regular priceUnit price / per -
Boost Tap 1.4 TSI & 2.5T TTRS RS3 Boost Tap Kit VW AUDI
5.0 / 5.0
(1) 1 total reviews
Regular price $15.99Regular priceUnit price / per$19.99Sale price $15.99Sale -
Tial Style 50mm Q-Series Style Blow off Valve Black (Unbranded)
Regular price $89.95Regular priceUnit price / per -
Dump Blow Off Valve BOV Kit For VW Golf Jetta Polo MK7 Forge 1.2 & 1.4 TSI 🇺🇸
5.0 / 5.0
(1) 1 total reviews
Regular price $119.95Regular priceUnit price / per -
Stainless Turbo Oil Drain Return + Feed Line T3 T4 T04E T60 T61 T70 Complete Kit
Regular price $44.95Regular priceUnit price / per -
2.0T FSI TSI TFSI Blow off Valve Kit
Regular price $79.99Regular priceUnit price / per$99.99Sale price $79.99Sale
Product News
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FuelTech FT450 Plug-and-Play Standalone Engine ...
FuelTech FT450 Plug-and-Play Standalone Engine Harness When it comes to K-series engine swaps, the wiring harness can make or break the project. The FuelTech FT450 Plug-and-Play Standalone Engine Harness offers...
FuelTech FT450 Plug-and-Play Standalone Engine ...
FuelTech FT450 Plug-and-Play Standalone Engine Harness When it comes to K-series engine swaps, the wiring harness can make or break the project. The FuelTech FT450 Plug-and-Play Standalone Engine Harness offers...
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Introducing the Ultimate Catch Can Kit for MK4 ...
Introducing the Ultimate Catch Can Kit for MK4 1.8T 20V Engines Say goodbye to oil blow-by and carbon buildup with our newly launched Catch Can Kit, specifically designed for the...
Introducing the Ultimate Catch Can Kit for MK4 ...
Introducing the Ultimate Catch Can Kit for MK4 1.8T 20V Engines Say goodbye to oil blow-by and carbon buildup with our newly launched Catch Can Kit, specifically designed for the...
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Clean Up Your Engine Bay with Our Ultimate Catc...
If you’re looking to keep your 1.8T engine running strong and reduce the chances of power loss or drivability issues, you’ve got to check out our catch can kit. This...
Clean Up Your Engine Bay with Our Ultimate Catc...
If you’re looking to keep your 1.8T engine running strong and reduce the chances of power loss or drivability issues, you’ve got to check out our catch can kit. This...
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1.8T Brand New Design Cast Alloy Valve Cover – ...
Let’s talk about what makes this valve cover special. It’s not your average setup—this was engineered with racing applications in mind. Enhanced breather capabilities mean it can handle the pressures...
1.8T Brand New Design Cast Alloy Valve Cover – ...
Let’s talk about what makes this valve cover special. It’s not your average setup—this was engineered with racing applications in mind. Enhanced breather capabilities mean it can handle the pressures...
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Technical Details
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Understanding Blow-Off Valves: Spring Pressure ...
Discover how the BOV spring pressure affects your turbo system's performance. Learn the importance of PSI settings and adjustments in our comprehensive guide!
Understanding Blow-Off Valves: Spring Pressure ...
Discover how the BOV spring pressure affects your turbo system's performance. Learn the importance of PSI settings and adjustments in our comprehensive guide!
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OBD2B HONDA ECU PINOUTS - OEM - 1999 - 2001
1999-2000 Civic | 2000-2001 Integra / 2 3 4 5 6 / 8 9 10 / 12 13 14 15 16 17 18 19 20 21 / 23 24 25...
OBD2B HONDA ECU PINOUTS - OEM - 1999 - 2001
1999-2000 Civic | 2000-2001 Integra / 2 3 4 5 6 / 8 9 10 / 12 13 14 15 16 17 18 19 20 21 / 23 24 25...
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OBD2A HONDA ECU PINOUTS - OEM - 1996-1998
1996-1998 Civic | 1996-1999 Integra 1 2 3 4 5 6 / 8 9 10 11 12 13 14 15 16 17 18 19 20 / 22 23 24 25...
OBD2A HONDA ECU PINOUTS - OEM - 1996-1998
1996-1998 Civic | 1996-1999 Integra 1 2 3 4 5 6 / 8 9 10 11 12 13 14 15 16 17 18 19 20 / 22 23 24 25...
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OBD0 HONDA ECU PINOUT - OEM - 1988-1992
1988-1991 Civic | 1990-1991 Integra 1 3 5 7 11 13 15 17 2 4 6 8 / 12 14 16 18 OBD0 ECU A (18 Pin) C451 Pin Wire...
OBD0 HONDA ECU PINOUT - OEM - 1988-1992
1988-1991 Civic | 1990-1991 Integra 1 3 5 7 11 13 15 17 2 4 6 8 / 12 14 16 18 OBD0 ECU A (18 Pin) C451 Pin Wire...
Customer Support saga
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MK4 VW Wiring Troubles: The Mystery of the Miss...
Wiring issues can make even the most seasoned car guys want to throw their tools across the garage. One of our customers recently went through this exact struggle after installing...
MK4 VW Wiring Troubles: The Mystery of the Miss...
Wiring issues can make even the most seasoned car guys want to throw their tools across the garage. One of our customers recently went through this exact struggle after installing...
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Diagnosing a Wiring Issue on a VW MK4 with an I...
A customer reached out with a list of trouble codes after installing our ME7.5 engine harness on their VW MK4 running an Ignitron ECU. The codes reported were: X0074 -...
Diagnosing a Wiring Issue on a VW MK4 with an I...
A customer reached out with a list of trouble codes after installing our ME7.5 engine harness on their VW MK4 running an Ignitron ECU. The codes reported were: X0074 -...
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When in Doubt, Blame the Harness: The Art of Sk...
Ever spent hours chasing an electrical gremlin only to find out it wasn’t the harness you just purchased—but the damn ECU? Yep, that’s exactly what happened to our customer. So,...
1 commentWhen in Doubt, Blame the Harness: The Art of Sk...
Ever spent hours chasing an electrical gremlin only to find out it wasn’t the harness you just purchased—but the damn ECU? Yep, that’s exactly what happened to our customer. So,...
1 comment -
No Spark? No Problem. Diagnosing a Customer’s W...
Listen up, keyboard warriors and weekend mechanics—before you start claiming our harness “killed your spark,” maybe, just maybe, take five minutes to figure out that diagnosing electrical issues, patience and...
1 commentNo Spark? No Problem. Diagnosing a Customer’s W...
Listen up, keyboard warriors and weekend mechanics—before you start claiming our harness “killed your spark,” maybe, just maybe, take five minutes to figure out that diagnosing electrical issues, patience and...
1 comment