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  3. PERRIN PSP-ITR-301RD

PERRIN PSP-ITR-301RD Tmic Coupler Kit Throttle Body WRX/04-19

fits model: Wrx, Sti. year: 2002–2007.

Psp-itr-301rd Perrin Tmic Coupler Kit For Throttle Body 02-07 Wrx/04-19 Sti Red

( Brand: Perrin ), ( Manufacturer Part Number: PSP-ITR-301RD ), ( Type: Turbo Coupler ), ( Features: Individual ), ( Items Included: Coupler ), ( Item Length: 7.10 ), ( Item Width: 6.20 )

Review PERRIN Tmic Coupler Kit For Throttle Body Wrx/04-19 Red fits WRX STI 2002–2007

Perrin PSP-ITR-301RD Tmic Coupler Kit for Throttle Body (02-07 WRX/04-19 STI)

Description:

The Perrin PSP-ITR-301RD Tmic Coupler Kit is a precision-engineered upgrade designed for Subaru WRX and STI models from 2002 to 2007 (WRX) and 2004 to 2019 (STI). This kit replaces the original throttle body intake coupler, enhancing the performance, efficiency, and durability of the engine intake system.

Manufactured by Perrin Performance, a renowned name in the Subaru aftermarket scene, this coupler kit is made using high-quality T Mig welded 304L Stainless Steel, ensuring superior strength and resistance to corrosion. The Tmic (Twin Micron) design allows for a smoother airflow, reducing turbulence and maximizing power output.

The PSP-ITR-301RD Tmic Coupler Kit includes all necessary hardware for installation, making it a direct fit for the specified Subaru models. Its polished finish not only adds an aesthetic appeal to the engine bay but also provides excellent protection against the elements.

This kit is an excellent choice for Subaru enthusiasts looking to improve their vehicle's performance, efficiency, and reliability. The Perrin PSP-ITR-301RD Tmic Coupler Kit is a worthy investment for those seeking a high-performance upgrade that delivers both power and style.

Key Features:

* Direct fit for Subaru WRX (02-07) and STI (04-19) models

* Made from high-quality T Mig welded 304L Stainless Steel

* Tmic (Twin Micron) design for smoother airflow

* Includes all necessary hardware for installation

* Polished finish for an attractive engine bay appearance

* Enhances engine performance, efficiency, and durability

If you're a Subaru owner seeking to optimize the performance of your vehicle, the Perrin PSP-ITR-301RD Tmic Coupler Kit is an excellent choice. Upgrade your intake system today and experience the difference in power and reliability.

Perrin PSP-ITR-301RD Tmic Coupler Kit for Throttle Body: Pros, Cons, and Conclusion

The Perrin PSP-ITR-301RD Tmic Coupler Kit is a popular aftermarket upgrade for Subaru WRX and STI models from 2002-2007 (WRX) and 2004-2019 (STI). This kit replaces the factory throttle body coupler with a high-performance T-bolt design. In this text, we'll discuss the pros, cons, and provide a conclusion to help you make an informed decision.

Pros:

1. Improved Airflow: The Tmic coupler kit allows for better airflow, resulting in increased horsepower and torque. This can lead to improved throttle response and overall engine performance.

2. Durability: The T-bolt design of the Perrin coupler kit provides a stronger connection between the intake manifold and the throttle body compared to the factory design. This results in increased durability and longevity.

3. Easy Installation: The installation process for the Perrin Tmic coupler kit is relatively straightforward and can be completed in a few hours, making it an accessible upgrade for many Subaru enthusiasts.

Cons:

1. Cost: The Perrin PSP-ITR-301RD Tmic Coupler Kit is a more expensive upgrade compared to the factory coupler. While the performance benefits may justify the cost for some, it may be a deterrent for others.

2. Potential Noise: Some users have reported an increase in intake noise after installing the Perrin coupler kit. This may be due to the improved airflow and the T-bolt design allowing for more engine noise to enter the cabin.

3. Compatibility: This kit is only compatible with select Subaru models and years. Ensure that your vehicle is within the specified range before making a purchase.

Conclusion:

The Perrin PSP-ITR-301RD Tmic Coupler Kit offers several benefits for Subaru WRX and STI owners, including improved airflow, increased durability, and easy installation. However, it also comes with drawbacks such as a higher cost and potential noise increase. Ultimately, the decision to purchase this upgrade depends on your individual priorities and budget. If you're looking for improved performance and durability, the Perrin Tmic coupler kit may be a worthwhile investment. However, if you're sensitive to noise or have a limited budget, it may not be the best choice for you.

Recommendation:

If you're considering the Perrin PSP-ITR-301RD Tmic Coupler Kit for your Subaru WRX or STI and are looking for a reliable and proven performance upgrade, it's worth considering this option. However, be sure to weigh the pros and cons carefully, and consider other factors such as cost and compatibility before making a decision. As always, consult a professional mechanic or trusted Subaru forum for advice and recommendations.

Details:

Whats In The Box?, 1 - PERRIN 2.75 x 2 Silicone Coupler, 3.12 T-Bolt clamps, Warranty, Perrin Performance 5 Year Limited Warranty. Applications, 2002 - 2007 Subaru Impress WRX, 2004 2014 WRX STI, 2015 2017 STI. Features, Fiber Reinforced 3-Ply Silicone Construction, High-Gloss, Vibrant Color, Withstands Extremely High Temperatures and Pressures. Top Mount Inter cooler Coupler Kit by Perrin The PERRIN Performance inter cooler coupler kit replaces your factory with our high-gloss, vibrant color hose that looks and works better.

Our silicone couplets are made from fiber reinforced 3-ply tube. Our high strength reinforced silicone's multi-layer design is capable of withstanding extremely pressures and temperatures.

part #: pspitr301rd prices

  • $28.34-$35.00

specifications turbiparts:

  • for models: Wrx, Sti
  • for years: 2002-2007
  • brand: Perrin
  • mpn: Psp-itr-301rd
  • type: Turbo Coupler
  • features: Individual
  • items included: Coupler
  • item length: 7.10
  • item width: 6.20

seller turbiparts:

  • city: Wrightstown, Wisconsin
  • rating: 98.7%
  • # reviews: 66825

offer turbiparts:

  • sold: 0
  • availability: In Stock
  • started: September 22, 2025
  • options: Ship-to-home

returns turbiparts:

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

payments turbiparts:

  • wallet: Apple-pay
  • credit card: Mastercard
  • other

general turbiparts:

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

shipping turbiparts:

  • class: Economy, Standard, Expedited
  • type: Fixed
  • cost: $0.00
  • transit: 3-7 Days
  • service: Economy, Standard, Expedited
for models: wrx, sti, for years: 2002-2007, type: turbo coupler, features: individual, items included: coupler, item length: 7.10, item width: 6.20,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > turbos parts, sku: 9577760136214762,

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