Welcome to the official GReddy USA blog. -Think of this as our online weekly "GReddy Times," a venue for us to report what's going on or what just happened at GReddy USA this week (new products, new projects, racing news, even online store specials.) On our blog you can see what we are up to in the GReddy Sales floor, R&D garage, on the road or even from our Headquarters in Japan.

Friday, May 6, 2022

The Newly Updated ShopGreddy.com

 Click the photo to check out our newly updated official online store for No. America, www.ShopGreddy.com... (desktop and mobile)

Buy GReddy, GPP, Rocket Bunny, Pandem and Boost Brigade direct!

PRO TIP - Check back frequently for Menu item: Featured Collections > Next Release, for updates on the next ShopGreddy Exclusive "Drops" - usually on a Sat. 9:00am PST

Thursday, March 31, 2022

GReddy PROFEC Boost Controller - Video Series

GReddy PROFEC - electronic boost controller

- Link below leads to our www.GReddy.com site for instructions that are downloadable PDF for this unit and many of our other products. Instructions - Profec Manual

Part 1
Episode 1 - Chapters 
0:00 Ep.1 - What's in the Box?
3:07 Hardware Install
3:15 12v Power source
3:45 Mounting power unit
4:05 Harness
4:48 Pressure source
6:24 Valve unit
8:37 Control unit

Episode 2 - Chapters 
    0:00 Ep. 2 - Pre-Start Setup 
     0:16 Button Meaning 
     1:38 Start-up 
     2:10 Pattern 
     3:37 Direction 
     4:11 Bright 
     4:23 Unit 
     4:39 Alarm 
     5:27 Last
     5:50 Start Boost 
     6:14 Lock

Episode 3 - Chapters     0:00 Ep. 3 - Basic Boost Setup 
     0:51 Set 
     2:25 Tuning Session 
     2:58 Baseline Dyno Results 
     3:27 Set boost at 20% Dyno Results 
     3:39 Gain 
     4:24 Gain adjustment Dyno Results 
     4:54 Start Boost 
     7:01 Peak 
     7:27 Warning 
     8:20 Limiter 
     9:23 Final Dyno Results Before/After

Friday, February 4, 2022

GPP is proud and honored to be part of this project with Ken Gushi supporting TMI autonomy research.

 Toyota Research Institute (TRI) demonstrated a new research milestone in autonomy, providing a glimpse into the future of safer mobility for all.

GREDDY PERFORMANCE PRODUCTS is proud and honored to be part of this project with Ken Gushi supporting their research.

Full story available at https://www.tri.global/news/evdc-drift/


Feb.2022, Toyota Research Institute (TRI) demonstrated a new research milestone in autonomy, providing a glimpse into the future of safer mobility for all.

As revealed in this video, TRI researchers successfully programmed a vehicle to autonomously drift around obstacles on a closed track - a world first. Combining a deep knowledge of both vehicle dynamics and control design, TRI’s Nonlinear Model Predictive Control (NMPC) approach extends the vehicle’s operational domain to the very limits of its performance. The idea behind this research is to utilize controlled, autonomous drifting to avoid accidents by navigating sudden obstacles or hazardous road conditions like black ice. 

“At TRI, our goal is to use advanced technologies that augment and amplify humans, not replace them,” said Avinash Balachandran, Senior Manager of TRI’s Human Centric Driving Research. “Through this project, we are expanding the region in which a car is controllable, with the goal of giving regular drivers the instinctual reflexes of a professional race car driver to be able to handle the most challenging emergencies and keep people safer on the road.” 

Every year, car crashes result in nearly 40,000 fatalities in the United States and about 1.35 million fatalities worldwide. While most crashes occur in mundane situations, in some extreme situations drivers may need to make maneuvers that take their vehicle close to and, at times, beyond normal limits of handling. 

One year ago, TRI and the Dynamic Design Lab at Stanford University set out to design a new level of active safety to help avoid crashes and prevent injuries and fatalities. With the support of automotive performance specialist GReddy and drift legend Ken Gushi, today’s achievement is another step in that journey. By building skills comparable to an expert driver, this technology can amplify and augment a regular driver’s ability to respond to dangerous and extreme situations, helping keep people safe on the road.    

“When faced with wet or slippery roads, professional drivers may choose to ‘drift’ the car through a turn, but most of us are not professional drivers,” said Jonathan Goh, TRI Research Scientist. “That’s why TRI is programming vehicles that can identify obstacles and autonomously drift around obstacles on a closed track.”

This achievement brings TRI researchers closer to understanding the full spectrum of vehicle performance. The software advances announced today calculate a whole new trajectory every twentieth of a second to balance the car gracefully as it goes around the track. 

Wednesday, January 19, 2022

New and Improved TYPE-FV2 Blow-off Valve


Introducing an upgraded version with new features and new designs!!

Product Features:

GReddy BLOW OFF VALVE TYPE-FV2” inherits the floating valve structure that was popular in the previous FV model, while improving with a more sophisticated design, easier adjustment, and even more reliability.

A hand turning detent knob that adjust the preload setting of the spring does not require any tools.  It is also now possible to change the direction of  the hose union on the top cover, so it can also be adjusted 360°, also without tools, to best suit your installation. 

The mounting flange and inlet retain the same dimensions as previous GReddy blow-off valves  (TYPE-RS, RZ, and FV) so the TYPE-FV2 can easily replaced any of the older models.


  ■ Product name:GReddy blow-off valve FV2
  ■ Part Number:11501666

Also available are application specific bolt-on kits for popular applications: R35, R32/R33/R34, ECR33, HCR32, S14/S15, JZX100, JZA80, ZN6 Turbo, GDB, GRB, CT9A, CZ4A, FD3S and more...

    Click here to download the instruction manual - (instruction manual)

■ Prevents idling problems that can tend to occur with other blow-off valves.
The floating valve mechanism allows the valve to react quickly because there is no need to apply unnecessary excessive preload to the spring.

■ Quick response even at low boost situations. 
The floating valve mechanism prevents premature opening and closing of the valve.

■ Uses a floating valve structure (FV = " Floating Vavle")
By adopting a floating valve design, the diaphragm and valve operate independently, in this way it is possible to achieve a valve response that exceeds that of the previous models and a stable blow-off situations throughout a large boost range.

■ Uses a new rotation-adjustable top-hat.
The 360 ​° adjustable top cover eliminates the need to disassemble the top hat, to changing the orientation of the hose union.  This greatly improving usability and ease of installation, compared to previous models.   

■ Preload adjustment with detent adjustment knob. 
The easy-to-rotate detent adjustment knob makes it easy to adjust the preload with precision, given its large adjustment range (about 5 full rotations - Lock to lock) without the need for any tools.

Operation of blow-off valve FV2

■【When the throtle is open】
The dual valve spring, boost pressure from the surge tank or intake manifold, and support spring strongly press the valve to prevent relief during high supercharging.


■【When the throtle is closed】
The surge tank pressure becomes the maximum negative pressure, the diaphragm and dual spring are pulled up, and the valve is released. The valve pressed only by the support spring is pushed up by the residual pressure in the pipe, and the residual pressure is released instantly.


■【When the throtle is closed (after blow-off)】
Even if the pressure inside the surge tank remains negative and the diaphragm is pulled up, the support spring closes the valve quickly when the residual pressure is released to prepare for the next accelerator ON. This will launch the boost quickly.

■ Blow-off valve FV2 optional parts


A. Aluminum mounting flange

Composite gasket mounting bolts and nuts included, Fits GReddy blow-off valve type RS, RZ, FV, FV2

B. Outlet Adapers (hose attachment)
Return is for transfer mounting (black alumite) GReddy blow-off valve type RS, RZ, FV common

・19mm.   p/n:11900440

・29mm.   p/n:11900441

・32mm.   p/n:11900442

・34mm    p/n:11900443

・Replacement FV2 horn adapter  p/n:11900450

C. BOV Gasket

Thursday, September 23, 2021

GReddy B-Type Oil Filler Caps

With a new original GReddy design these B-Type, CNC billet aluminum oil filler caps will bring class and style to your high performance engine. Available in either anodized blue or chrome (USA exclusive) finishes. Also included is a metal GReddy badge. Applications for many popular Japanese vehicles. - It is a future classic that is available now!

   + Includes special GReddy 21mm Hex / 3/8 drive loosening tool.
   + Includes standard light-weight GReddy Oil Cap badge.

13901501     - Most Toy., Dai.  - Type 01           
                        - M37-P3.0     TY-A /  DH-A. 
13901502      - Most Nis., Many older Hon., Suz. - Type 02
                        - M32-P3.5     TS-A / HN-A / SZ-A   
13901503     - Many older Maz. - Type 03                         
                        - M35-P4.0     MZ-A. 
13901504     - Many Maz. - Type 04                           
                        - 33.7 dia.       MZ-B.
13901505     - Many newer Hon. - Type 05                          
                        - Dedicated     HN-B.
13901506    - Most Sub. (+ZN6). - Type 06                          
                       - M42-P4.5     SB-A. 
13901507     - Many Suz.  - Type 07                        
                        - 30.0               SB-B. 
13901508     - Many newer Mit.   - Type 08                      
                       - Dedicated     MT-A 

 * Check your applications before purchasing...

TY-A /  DH-A  - Type 01
Toyota M37-P3.0 Applications: 
- Older Engines: 4A, 4AG, 3SG, 1G, 1GG, 4E, 5E, 1FZ, 5S, 1SZ, 1ZZ, 1AZ 
Recent Engines: 1KR, 1AZ, 1NZ, 1SZ, 1MZ, 2AZ, 2NZ, 2JM, 2AR, 2ZR, 2SZ, 3S, 3ZR, 4GR   ※ Scion FRS & Toyota 86 please see Type-6, p/n13901606)

Daihatsu M37-P3.0 Applications:
- Older Engines:  
Recent Engines:  


TS-A / HN-A / SZ-A - Type 02
Nissan M32-P3.5 Applications:
 - Older Engines: RB, SR, VG, VQ, CA, GA, CG
 - Recent Engines: CA18, CG10, CG13, CGA3, CR10, CR12, CR14, GA15, GA16, HR12, HR15, HR16, KA24, MA10, MR16, MR18, MR20, QG15, QG18, QR20, QR25, RB20, RB25, RB26, SR18, SR20, VG20, VG30, VH41, VH45, VK45, VQ25, VQ30, VQ35, VQ37, VR38

Honda M32-P3.5 Applications:
 - Older Engines: B16A, B18C, B20A, B20B, H22A, F22B, D13B, D15B, E07A
 - Recent Engines: B16, B18, B20, D13, D15B, D16, E07, F18, F20, F22, F23, H22, J30, K20, K24, L13, L15, LDA, LEA, LEB, P07, R18, R20, S07, ZC

Suzuki M32-P3.5 Applications:
 - Older Engines: 
 - Recent Engines:K6 ,K12, M15, M16


MZ-A - Type 03
Mazda M35-P4.0 Applications:
 - Older Engines: 13B, B3, B6, BP, JE
 - Recent Engines: 13B, BP, B6, B5, B3, ZY, ZJ, LF, L3, FP, FS,
    & SE3P (13B-MSP) frame numbers to 299999


MZ-B - Type 04
Mazda φ33.7 Applications:
 - Older Engines: 
 - Recent Engines: 13B(SE3P:300001~) * , P5, P3, PE, S5, S8, HF, SH, PY    
   * (SE3P (13B-MSP) frame numbers to 299999 please use p/n13901503)


HN-B - Type 05
Honda Dedicated Spiral Applications:
 - Older Engines:
 - Recent Engines: J35Z2/4, J35A6/8, J37A2/3, K20A, K20Z4, R20A1/2/3, N22A2, N22B1/2, K24A, K24Z1/2/3/4, E07Z, 13Z1, R18A2


SB-A - Type 06
Subaru M42-P4.5 Applications:
 - Older Engines: EJ20, EJ22, EJ18, EJ25, EN07
 - Recent Engines:FA20, EJ18, EJ20, EJ22, EJ25, EZ30, EZ36, EN07, EL17, FB16, FB20, FB25 (Scion FRS / Toyota 86)

SB-B - Type 07
Suzuki φ30.0  Applications:
 - Older Engines: 
 - Recent Engines: R06A, K10C, K12B, K12C, K14C, K15B
※K12B : For DUAL JET ENGINE only
※R06A : Not compatible with metal head cover(DA17V,DA17W等)


 MT-A - Type 08 
Mitsubishi Dedicated Spiral Applications:
 - Older Engines: 
 - Recent Engines:GK1W, GA3W/4W, GF7W/8W/GG2W, CW4W/5W/6W, CV1W/2W/4W/5W, CZ4A, CX3A/4A/6A, B11W/11A, HA1W, A03A/05A, Z21A/21W/22A/22W


Wednesday, August 18, 2021

GReddy Civic Type-R Cooling Upgrades

12058003 - GPP FK8 Civic Type-R Hi-Capacity Oil Cooler Kit *NEW*

12058002 - GPP FK8 Civic Type-R Std. 10row (side-mounted) Oil Cooler Kit
                    17550110 - Optional driver-side mesh for std. 10row Oil Cooler. 

14258003 - FK8 Civic Type-R Only Front Bumper Bar - Black *NEW*

12058101 - FK8 Civic Type-R-28E Intercooler Kit
12058103 - FK8 Civic Type-R-24E Intercooler Kit *

    TBA     - FK8 Civic Type-R Transmission Cooler Kit (coming soon)

12058003 - High Capacity Oil Cooler Kit - Center Grill

14258003 - Competition Solid Front Bumper Bar 

12058103 - XL Front Mounted Intercooler (+ 50-state Street Legal)

Wednesday, June 16, 2021

Win a 1 of 1 MaxBoost X GReddy Steering Wheel

Enter now on the official GReddy Performance Products @greddyperformance Instagram to WIN a very special 1 of 1 MaxBoost X GReddy Art Steering Wheel, designed by none other than the the creator of Max Boost, Dennis Caco!

1. Follow both @greddyperformance and 
2. Comment with who your favorite Max Boost character is

Winner will be selected on June 21st at 4pm PST. 
One Winner will receive the customized 1 of 1 steering wheel, autographed Max Boost Vol 1 & 2 Compendium, and other goodies. 

* We will cover shipping within North America. If the winner is outside NA, shipping, customs fees will be the responsibility of the winner. 

Wednesday, March 10, 2021

New GReddy Garage Banners

 Two new GReddy hanging banners designs to dress up your garage or home... now available on our official online store, www.ShopGReddy.com