Revamp Your JDM Exhaust & Engine With GReddy Tuning Solutions
Experience next-level performance with the GReddy collection at HD Werks, featuring genuine, high-performance components for engine and exhaust upgrades. These original parts, designed for racing and aftermarket tuning, deliver custom solutions that boost power delivery and dynamic control. Engineered with Japanese precision, GReddy products provide authentic quality and durability for both competitive track use and daily driving. Experience innovative enhancements with parts built for aggressive tuning and exceptional performance. Shop our GReddy range for original components that make your ride stand out.
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Vendor:GReddyGReddy GReddy Profec OLED Electronic Boost Controller Harness
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
-$0.01
Vendor:GReddyGReddy Profec B Spec 2 4mm In-Line Filter
Regular price $5.99Regular price$6.00-$0.01 Sale price $5.99 -
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GReddy PRofec Electronic Boost Controller - Amber OLED
Regular price $451.99Regular price$475.00-$23.01 Sale price $451.99 -
-$21.01
Vendor:GReddyGReddy PRofec Electronic Boost Controller
Regular price $408.99Regular price$430.00-$21.01 Sale price $408.99 -
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GReddy Honda S2000 Version 2 High Capacity Differential Cover
Regular price $836.99Regular price$880.00-$43.01 Sale price $836.99 -
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Vendor:GReddyGReddy 93+ Mazda RX-7 FD3S Differential Cover
Regular price $437.99Regular price$460.00-$22.01 Sale price $437.99 -
-$22.01
Vendor:GReddyGReddy R32 / R33 / R34 Rear Diff Cover
Regular price $437.99Regular price$460.00-$22.01 Sale price $437.99 -
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Vendor:GReddyGReddy RB26 Front Diff Cover
Regular price $418.99Regular price$440.00-$21.01 Sale price $418.99 -
-$22.01
Vendor:GReddyGReddy Nissan S14/S15 Differential Cover
Regular price $437.99Regular price$460.00-$22.01 Sale price $437.99 -
-$29.01
Vendor:GReddyGReddy 13+ Scion FR-S / 13+ Subaru BRZ / 13+ Toyota 86 Differential Cover
Regular price $570.99Regular price$600.00-$29.01 Sale price $570.99 -
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Vendor:GReddyGReddy M8x1.25 INSERT FOR TYPE A/ A01/ A02 SHIFT KNOBS
Regular price $33.99Regular price$35.00-$1.01 Sale price $33.99 -
-$4.01
Vendor:GReddyGReddy Shift Knob A02 - Low Type w/ Reverse Lockout Lever
Regular price $90.99Regular price$95.00-$4.01 Sale price $90.99 -
-$4.01
Vendor:GReddyGReddy Shift Knob A01- High Type
Regular price $90.99Regular price$95.00-$4.01 Sale price $90.99 -
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Vendor:GReddyGReddy 2017+ Honda Civic Type-R FK8 Competition Only Front Bumper Bar
Regular price $361.99Regular price$380.00-$18.01 Sale price $361.99 -
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Vendor:GReddyGReddy FUEL DELIVERY TUBE RB26 11.0 - BLACK
Regular price $285.99Regular price$300.00-$14.01 Sale price $285.99 -
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Vendor:GReddyGReddy FUEL DELIVERY TUBE RB26 11.0 - BLUE
Regular price $285.99Regular price$300.00-$14.01 Sale price $285.99 -
-$7.01
Vendor:GReddyGReddy Nissan ECR33 Throttle Adapter
Regular price $142.99Regular price$150.00-$7.01 Sale price $142.99 -
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GReddy Nissan S13 SR20DET Tank Pipe Set - Adapts S13 Plenum to GReddy I/C Kit w/Pulsar Throttle Body
Regular price $190.99Regular price$200.00-$9.01 Sale price $190.99 -
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Vendor:GReddyGReddy Nissan S13 Surge Tank Pipe Set (Standard)
Regular price $199.99Regular price$210.00-$10.01 Sale price $199.99 -
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Vendor:GReddyGReddy Nissan S14/S15 SR20DET Surge Tank Pipe Set
Regular price $285.99Regular price$300.00-$14.01 Sale price $285.99 -
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Vendor:GReddyGReddy Type-S No Relief Radiator Cap Most Nissan/Subaru/Mazda/Mitsubishi/Some Toyota - Polished
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
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Vendor:GReddyGReddy Type-N No Relief Radiator Cap Most Honda / Some Toyota - Polished
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
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Vendor:GReddyGReddy Type-S No Relief Radiator Cap Most Nissan / Subaru / Mazda / Mitsubishi / Some Toyota - Black
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
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Vendor:GReddyGReddy Type-N No Relief Radiator Cap Most Honda / Some Toyota - Black
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
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Vendor:GReddyGReddy Radiator Cap Type-S 1.3 - Polished
Regular price $23.99Regular price$25.00-$1.01 Sale price $23.99 -
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Vendor:GReddyGReddy Type-N 1.3 Radiator Cap Most Honda / Some Toyota - Polished
Regular price $23.99Regular price$25.00-$1.01 Sale price $23.99 -
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Vendor:GReddyGReddy Type-S 1.3 Radiator Cap Most Nissan / Subaru / Mazda / Mitsubishi / Some Toyota - Black
Regular price $23.99Regular price$25.00-$1.01 Sale price $23.99 -
-$1.01
Vendor:GReddyGReddy Type-N 1.3 Radiator Cap Most Honda / Some Toyota - Black
Regular price $23.99Regular price$25.00-$1.01 Sale price $23.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Suzuki 30 - Chrome
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Subaru - Chrome
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Mazda 33.7 - Chrome
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Toyota M37-P3.0 - Chrome
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Mitsubishi D-Special - Blue
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Suzuki 30 - Blue
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99 -
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Vendor:GReddyGReddy Type-B Oil Filler Cap Subaru M42-P4.5 - Blue
Regular price $83.99Regular price$88.00-$4.01 Sale price $83.99