Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Penguin Garage

Products

Products

Penguin Garage

Professional Awesome Large, High Downforce Splitter Diffusers - Pair

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$300.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Professional Awesome High Downforce Splitter Diffusers:

Designed and optimized using CFD to ensure the best possible performance.
Once installed, diffusers create a low-pressure transition zone that greatly increase the downforce potential ...

Delivery & Returns

Returns accepted within 30 days

Exclusions may apply. See full policy

Penguin Garage

5 (34)

You might also like

Penguin Garage

Professional Awesome Titanium Skid Blocks – Large

MX5 Mania

Polyurethane Rear Diffuser (NC 2005-2014)

Akroworks

DOHC EJ Camshaft Seal Install Tool

Penguin Garage

Greddy Radiator Seal Cap Polished + HPS Silicone Cap Black + Clamp Combo

5% off

Penguin Garage

Radium Engineering MK4 Supra Fuel Hanger TI Automotive E5LM (Pumps Not Included)

Radium High Flow Fuel Filter | Universal (20-0220)

18% off

WheelFlip

Radium High Flow Fuel Filter | Universal (20-0220)

Performance Delta

Large Single Vane Splitter Ramp / Diffuser / Tunnel

Penguin Garage

Company23 Fluidampr Crank Pulley Tool

5% off

Penguin Garage

Radium Engineering Toyota GR Corolla Catch Can Kit Fluid Lock

5% off

Penguin Garage

Radium Engineering Fuel Pump Inlet Filter Sock - 19mm

5% off

Drift HQ

Radium Engineering 6AN 90Deg Pushlok Hose End

Verus_Engineering_C8_Corvette_Stingray_Rear_Diffuser1_b63282f7-37bd-4559-9d52-439f9d89f3c5

C8 PERFORMANCE

Verus Engineering C8 Corvette Stingray Rear Diffuser

12% off

Penguin Garage

AEM Cam Angle Sensor Disk for RB25DET / VG / Some RB26 Engines (50mm OD)

Pro Speed Racing

Overtake Radiator Hose Kit

Penguin Garage

Aeromotive Adjustable Regulator Billet EFI Bypass - (2) -6 Inlets/(1) -6 Return - Black

Penguin Garage

Professional Awesome 2004-05 Subaru Impreza/WRX STI GD/GG Quick Release Splitter Support System

projectvr4

Front Splitter Diffuser “LARGE”

Penguin Garage

Company23 DOHC Subaru Timing Kit

FR SPORT

GReddy High Pressure Radiator Cap(s) - 1.3kg/cm2 - polished/black

(1)

11% off

Penguin Garage

AEM 340LPH In Tank Fuel Pump Kit

11% off

Penguin Garage

AEM 400LPH High Pressure Fuel Pump -6AN Female Out, -10AN Female In

Flat%2Btrack.jpg

7% off

GregsRaceParts.com

Difflow Rear Diffuser for Elise/Exige 5 Element Flat track

Penguin Garage

GetADomTune Cylinder 4 Combustion Chamber Cooling System

Penguin Garage

Greddy Radiator Seal Cap Black + HPS Silicone Cap + Clamp Combo

Penguin Garage

Penguin Garage Autocross Starter Pack Better

5% off

Penguin Garage

Radium Engineering Fitting 10AN Female to 8AN Male

Racebred Components

Universal Splitter Diffuser Tunnels

(1)

Penguin Garage

CAE Ultra Shifter for Nissan 350 Z Black Anodized

Pro Speed Racing

Overtake Radiator Hose Kit

Penguin Garage

DeatschWerks Stainless Steel 8AN 10 Micron Universal Inline Fuel Filter Housing Kit (70mm)

Penguin Garage

Professional Awesome Quick Release Splitter Support System

STREETFIGHTER LA

EVOX Rear Diffuser/Undertray

(1)

Penguin Garage

Verus Engineering Side Splitter Kit - Toyota GR Corolla

Penguin Garage

HKS 93-98 Supra Hi Power Titanium Racing Exhaust

5% off

Drift HQ

Radium Engineering 6AN ORB Plug

Penguin Garage

Aeromotive Atomic Belt Drive Fuel Pump

SpeedFactoryRacing

SpeedFactory Racing Two Piece Rear Bumper Diffuser

(1)

Penguin Garage

CAE Ultra Shifter for VW Corrado 02A Aluminum Uncoated

Pro Speed Racing

Overtake Radiator Hose Kit

Penguin Garage

HKS Hi-Power Muffler SPEC-L2 FK8 K20C

Penguin Garage

Cobb Subaru SF Intake System - Stealth Black

33% off

specring

BMW F80 M3 M4 V Style Carbon Fiber Rear Diffuser + Rear Splitter Kit

Penguin Garage

Company23 Ball Joint Removal Tool

Penguin Garage

Verus Engineering Rear Diffuser - Toyota GR Corolla

Penguin Garage

Aeromotive In-Line Filter - (AN-6 Male) 10 Micron Microglass Element Bright Dip Black Finish

Penguin Garage

CAE Ultra Shifter Subaru WRX 5 Speed Adapter GC/GD

Penguin Garage

Penguin Garage / MeLe Group 35 Battery Tie-Down V2

Penguin Garage

Verus Engineering Rear Spat Kit - Toyota GR Corolla

Penguin Garage

KYB Shocks & Struts Excel-G Front TOYOTA MR2 1985-89

5% off

Drift HQ

Radium Engineering -8AN 90 Degree PTFE Hose End - Black

Penguin Garage

DeatschWerks Bosch EV14 Universal 40mm Compact 65lb/hr Injectors (Set of 4)

285 Motorsport

Universal Rear Corner Diffuser Splitters Pair 18cm/7in

Penguin Garage

3MI AOS Oil Return Hose Kit OEM Install "Short Kit"

(1)

Pro Speed Racing

Greddy High Pressure Radiator Cap Type-B 1.3 Bar Polished

5% off

Penguin Garage

Radium Engineering Distribution Block 12-10-10-10 With Fittings

Penguin Garage

KYB Shocks & Struts Gas-A-Just Front CHEVROLET Corvette 1984-87

22% off

Horizon Motorsport

GP Carbon Fiber 3-Piece Diffuser - F87 M2 / M2C

Penguin Garage

Company23 Subaru Clutch Alignment Tool

Penguin Garage

RK Titanium GRC Track Dual-Tip Center Exit Exhaust

5% off

Penguin Garage

Radium Engineering Universal 10AN Orb Plug

Penguin Garage

TiC STI 6MT Motorsport Transmission Mount and Crossmember

11% off

Penguin Garage

AEM 340LPH 65mm Fuel Pump Kit w/o Mounting Hooks - Ethanol Compatible

Penguin Garage

Verus Engineering Front Splitter and Air Dam Kit - Toyota GR Corolla

Penguin Garage

Aeromotive In-Line Filter - (AN-6 Male) 10 Micron Fabric Element Bright Dip Black Finish

5% off

Drift HQ

Radium Engineering 8AN ORB Plug

Penguin Garage

HKS RX8 75mm Single Ti-Tip Hi Power Cat-back Exhaust (SUS304 NO COATING)

Artwork Bodyshop Inc.

Splitter Rods - Black (10" to 13")

(1)

Penguin Garage

CAE Ultra Shifter for BMW F8X M2 - M3 - M4

Penguin Garage

RacerX Fabrication GR Corolla Turbo Inlet

Penguin Garage

DeatschWerks 8AN ORB Male to 8AN Male Flare Adapter (Incl O-Ring) - Anodized Matte Black

5% off

Drift HQ

Radium Engineering Diaphragm Service Replacement FPR

Penguin Garage

CAE Shift Rod BMW

Pro Speed Racing

Greddy High Pressure Radiator Cap Type-B 1.3 Bar Black

5% off

Penguin Garage

Radium Engineering Fitting 6AN Female to 8AN Male

Radium Engineering Fuel Filter (Microglass or Stainless High Flow) 6 / 10 / 100 Micron - 6 Micron Microglass

Redline360

Radium Engineering Fuel Filter (Microglass or Stainless High Flow) 6 / 10 / 100 Micron

Penguin Garage

CAE Ultra Shift Knob

(1)

Penguin Garage

Shaftworks Bilanx Competition Coilovers Subaru WRX/STI

Penguin Garage

RK Titanium GR Corolla Throttle Body Inlet Elbow

Penguin Garage

DeatschWerks Stainless Steel 8AN 100 Micron Universal Fuel Pump Pre-Filter

5% off

Penguin Garage

Radium Engineering Duckbill Valve

Penguin Garage

Aeromotive Fuel Pump - Universal - Phantom Dual 340 - 6-10in Depth

Penguin Garage

HPS Silicone Cap + Clamp Combo

Pro Speed Racing

Overtake Radiator Hose Kit

Penguin Garage

Aeromotive In-Line Filter - AN -10 size Male - 10 Micron Microglass Element - Bright-Dip Black

5% off

Drift HQ

Radium Engineering 10 Micron Stainless Fuel Filter

Radium High Flow Fuel Filters

Goleby's Parts

Radium - High Flow Fuel Filters

Penguin Garage

Penguin Garage Max Camber Max Caster No Slip Camber Plates (PGMCMCNSCP) 08+ STI

Pro Speed Racing

Overtake Radiator Hose Kit

Penguin Garage

DeatschWerks 340lph DW300C Compact Fuel Pump w/Install Kit 08-15 Mitsubishi EVO X (w/o Clips)

5% off

Drift HQ

Radium Engineering -6AN Straight PTFE Hose End - Black