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  2. sku: 5916861407778652
  3. GRIMMSPEED GRM-125034

GRIMMSPEED GRM-125034 Box Cast Inlet 2015-21

fits model: Turbo, Wrx. make: Subaru.

Grm-125034 Grimmspeed Open Box Version 2 Cast Aluminum Turbo Inlet For 2015-21 Subaru Wrx

( Brand: Grimmspeed ), ( Manufacturer Part Number: GRM-125034 ), ( Type: Turbo Inlet ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes ), ( Universal Fitment: Performance/custom ), ( Manufacturer Warranty: Unspecified Length )

Review GRIMMSPEED Open Box Version Cast Aluminum Inlet For 2015 21 Subaru fits TURBO WRX

Introducing the Grimmspeed GRM-125034 Box Cast Turbo Inlet for the 2015-21 Subaru WRX, an essential upgrade for those seeking improved engine performance and enhanced aesthetics. This high-performance turbo inlet is meticulously engineered and manufactured to deliver superior airflow and increased power output.

The Box Cast Turbo Inlet is crafted using a unique casting process that ensures a strong and durable design. This process eliminates the need for welds, resulting in a smoother airflow path and a more polished finish. The cast aluminum construction provides excellent heat resistance and reduces the likelihood of warping or melting under extreme temperatures.

The Grimmspeed turbo inlet boasts a large 2.5-inch diameter, which significantly expands the air intake capacity compared to the stock configuration. This enhanced airflow increases the engine's ability to breathe more efficiently, leading to increased horsepower and torque. The larger intake also reduces the pressure drop across the turbocharger, ensuring optimal boost levels and improved throttle response.

The Box Cast Turbo Inlet's smooth, polished surface and sleek design are not only functional but also visually appealing. Its high-quality finish complements the overall look of the Subaru WRX engine bay and adds a touch of sophistication to your vehicle.

Installation of the Grimmspeed GRM-125034 Box Cast Turbo Inlet is a straightforward process. It utilizes the factory mounting points, ensuring a secure fit and eliminating the need for additional modifications. The included high-performance air filter ensures optimal engine protection and air filtration, making this upgrade an excellent investment for those seeking improved power and performance from their Subaru WRX.

In summary, the Grimmspeed GRM-125034 Box Cast Turbo Inlet is a must-have upgrade for Subaru WRX enthusiasts who demand superior engine performance, enhanced aesthetics, and uncompromising durability. With its strong cast aluminum construction, large 2.5-inch diameter, and sleek design, this turbo inlet delivers unmatched performance and visual appeal for your vehicle.

Grimmspeed GRM-125034 Boxed Cast Turbo Inlet for 2015-21 Subaru WRX: Pros, Cons, and Conclusion

The Grimmspeed GRM-125034 Boxed Cast Turbo Inlet is a popular aftermarket upgrade for the 2015-21 Subaru WRX. In this analysis, we will outline the key advantages and disadvantages of investing in this product to help you make an informed decision.

Pros:

1. Enhanced Airflow: The Grimmspeed cast turbo inlet increases the airflow rate to the engine, supporting a more efficient combustion process and potentially improving power output.

2. Improved Throttle Response: Upgrading to a larger turbo inlet allows for a quicker response when accelerating, providing a more responsive driving experience.

3. High-Quality Material: The Grimmspeed boxed cast turbo inlet is made from high-quality materials, ensuring durability and reliability, even under high boost conditions.

4. Easy Installation: The Grimmspeed inlet comes with a user-friendly installation guide, making it a relatively straightforward process for most DIY enthusiasts.

5. Increased Power: The increased airflow and improved throttle response can result in a noticeable power gain, particularly in modified engines.

Cons:

1. Cost: The Grimmspeed cast turbo inlet is a premium aftermarket upgrade, and the cost may be a barrier for some buyers.

2. Requires Additional Parts: Installing the Grimmspeed inlet might necessitate the purchase and installation of additional components, such as an intercooler and a charge pipe, to ensure proper function and efficiency.

3. Potential for Increased Engine Noise: The Grimmspeed inlet may result in increased engine noise, which some drivers might find unpleasant or intrusive.

4. Potential for Negative Impact on MPG: The increased power output and airflow might lead to a slight decrease in fuel efficiency, resulting in higher fuel consumption.

Conclusion:

The Grimmspeed GRM-125034 Boxed Cast Turbo Inlet is an excellent upgrade for Subaru WRX owners seeking improved performance and throttle response. While it comes with a cost and requires additional components for optimal function, the benefits of increased power, enhanced airflow, and improved driving experience make it a worthwhile investment for performance enthusiasts.

Recommendation:

If you're looking to optimize the performance of your 2015-21 Subaru WRX and are willing to invest in a premium aftermarket upgrade, the Grimmspeed GRM-125034 Boxed Cast Turbo Inlet is an excellent choice. Be sure to consider the additional costs and requirements and weigh the pros and cons carefully before making your purchase.

Details:

Use with the OEM or Other aftermarket BCS may require washers/longer bolts for mounting. High Quality Breeze Clamps and Vito O-ring - Included in every kit. Seamless Flow - CAD optimized design eliminates OEM air pockets. As the plastic inlet ages and becomes brittle, it has a tendency to separate around BPV and/or Turbo flange portion of piece.

Install Note - The GrimmSpeed Turbo Inlet is designed to interface perfectly with the BOOST CONTROL SOLENOID. CNC Machined - For perfect fit and sealing surfaces. Set of Open Box GrimmSpeed Version 2 Cast Aluminum Turbo Inlet - 2015 21 Subaru WRX/FA20, P/N: GRM-125034, condition: Like new condition. OEM Fitment - Easy install, no modification required.

Use with the OEM or Other aftermarket BCS may interfere other components and/or require washers/longer bolts for mounting. Best of all, The GrimmSpeed Cast Aluminum Inlet will ensure that you won't ever put your engine in jeopardy due to a crack and resulting change metered air. Whats NEW FOR VERSION 2?, The only difference between our original cast Turbo inlet's and the new Version 2 is that there are no longer two different fitments for 2015 16 2017 -21. Included bolts are m8x.80 12mm length .

We began with laser-scanning the area and using our Faro Arm to pinpoint exactly how much room we had play during design process. That final version was able to eliminate the air pockets that impede flow in its OEM counterpart and gave The GrimmSpeed Inlet superior characteristics. Spec from GrimmSpeed, GrimmSpeed Version 2 Turbo Inlet Overview and Installation Guide - 2015 21 Subaru WRX. Since the inlet is one of most critical components for metered air and consistent performance, cracks or separation can lead to dangerous conditions engine.

No Tuning required - Even when coupled with GrimmSpeed DRY-CON Panel Air Filter and Post MAF Hoses for maximum performance.

part #: grm125034 price

  • $214.00

specifications turbiparts:

  • for models: Turbo, Wrx
  • for makes: Subaru
  • brand: Grimmspeed
  • mpn: Grm-125034
  • type: Turbo Inlet
  • country/region of manufacture: United States
  • performance part: Yes
  • universal fitment: Performance/custom
  • manufacturer warranty: Unspecified Length

general turbiparts:

  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts
  • condition: Used

returns turbiparts:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days

payments turbiparts:

  • wallet: Google-pay
  • credit card: Discover
  • other

seller turbiparts:

  • # reviews: 4994
  • city: USA
  • rating: 100.0%

offer turbiparts:

  • started: March 31, 2025
  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock

shipping turbiparts:

  • type: Fixed
  • cost: $0.00
  • class: Standard
  • transit: 2-4 Days
  • service: Standard
for models: turbo, wrx, for makes: subaru, type: turbo inlet, country/region of manufacture: united states, performance part: yes, universal fitment: performance/custom, manufacturer warranty: unspecified length,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > turbos parts, sku: 5916861407778652,

Grimmspeed GRM-125034 Is Similar To:

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3 offers $214.00–$214.00 USD
  • Offer #1: $214.00 price + $8.23 shipping estimate = $222.23* total. We began with laser-scanning the area and using our Faro Arm to pinpoint exactly how much room we had to play with during the design process. Part Number 125034.+$8.23 shipping
  • Offer #2: $214.00 price + $0.00 shipping estimate = $214.00* total. That final version was able to eliminate the air pockets that impede flow in it's OEM counterpart and gave The GrimmSpeed Inlet superior flow characteristics.FREE SHIPPING
  • Offer #3: $214.00 price + $11.35 shipping estimate = $225.35* total.+$11.35 shipping

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