boost box performance Perrin Boost Tube Box Red for 2015-2021 WRX
SKU: 16481624525
boost box performance

boost box performance Perrin Boost Tube Box Red for 2015-2021 WRX

Sale price$22.94 Regular price$25.49
Save 10%

Pay in installments of $6.37 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

boost box performance Perrin Boost Tube Box Red for 2015-2021 WRXPerrin Performance Boost Tube Box w Red Boost Tubes and Black Couplers 2015 2021 WRX 2. 25" Aluminum Tubing Boost Tube Kit Overview The Perrin Performance Boost Tube Box is a precision engineered upgrade designed specifically for the 2015 2021 Subaru WRX equipped with a Perrin front mount intercooler core. This kit replaces the restrictive OEM boost tubes with CNC mandrel bent aluminum tubing, featuring a smooth 2. 25" diameter for optimal airflow.

Perrin Performance Boost Tube Box w/ Red Boost Tubes and Black Couplers 2015-2021 WRX | 2.25" Aluminum Tubing | Boost Tube Kit

Overview

The Perrin Performance Boost Tube Box is a precision-engineered upgrade designed specifically for the 2015-2021 Subaru WRX equipped with a Perrin front mount intercooler core. This kit replaces the restrictive OEM boost tubes with CNC mandrel bent aluminum tubing, featuring a smooth 2.25" diameter for optimal airflow. The design focuses on reducing weight and improving boost response by providing a cleaner, obstruction-free path for the charged air traveling between the turbo and intercooler. It’s ideal for Subaru enthusiasts looking to maximize their turbo system’s efficiency and power potential while maintaining reliable fitment and durability.

Perrin’s engineering approach prioritizes smooth airflow and practical routing within the engine bay. The boost tubes are carefully routed to take the shortest, most direct path from the turbo to the intercooler, minimizing pressure drop and turbulence. Oversized beaded ends on each tube ensure secure clamping and airtight seals with the included black couplers. Additionally, the kit integrates seamlessly with Perrin’s custom washer fluid and coolant overflow tanks, which are designed to clear space for the boost tubes while maintaining OEM-level quality and appearance with durable black powder-coated finishes.

For Subaru WRX owners, this boost tube kit delivers tangible improvements in throttle response and turbo spool characteristics by reducing restrictions in the intake charge path. The 2.25" tubing diameter is carefully chosen to support power levels beyond most stock turbo capabilities without unnecessary size increases that could hurt spool time. This upgrade complements other Perrin intercooler components and is a practical step for anyone pursuing reliable, efficient forced induction performance on their WRX.

Features & Specifications

This Perrin Performance Boost Tube Box is engineered for 2015-2021 Subaru WRX models with Perrin front mount intercoolers and features 2.25" CNC mandrel bent aluminum tubing. Constructed from lightweight aluminum, it delivers improved airflow and boost response for Subaru enthusiasts seeking enhanced turbo efficiency and reliable fitment.

  • Brand: Perrin Performance
  • Product: Boost Tube Box w/ Red Boost Tubes and Black Couplers
  • Part Number: PSP-ITR-437-2RD/BK
  • Fitment: 2015-2021 Subaru WRX (with Perrin front mount intercooler core)
  • Material: Aluminum
  • Finish: Red powder coat (boost tubes), Black powder coat (couplers and tanks)
  • Construction: CNC mandrel bent tubing with oversized beaded ends
  • Origin: USA (Perrin Performance)

Key Benefits

  • Performance: Larger 2.25" tubing reduces airflow restrictions for improved boost response and potential power gains.
  • Fitment: Designed specifically for 2015-2021 WRX with Perrin front mount intercooler, ensuring seamless integration and clearance.
  • Durability: CNC mandrel bent aluminum tubing with powder-coated finish resists corrosion and heat exposure in the engine bay.
  • Reliability: Oversized beaded tube ends and quality couplers provide secure, leak-free connections under boost pressure.
  • Weight Savings: Aluminum construction reduces weight compared to OEM plastic tubes, contributing to overall vehicle efficiency.
  • OEM+ Quality: Includes matching powder-coated washer fluid and coolant overflow tanks for a clean, factory-inspired engine bay appearance.

What's Included

  • 1× Perrin Performance Boost Tube Box with Red Boost Tubes
  • Black silicone couplers for all connections
  • Perrin Washer Fluid Tank (black powder-coated)
  • Perrin Coolant Overflow Tank (black textured powder-coated)
  • Installation instructions

Installation & Compatibility

Installation of the Perrin Boost Tube Box is moderately straightforward for enthusiasts with basic mechanical skills and common hand tools. The kit is a direct replacement for the OEM boost tubes but requires removal of the factory tubes and installation of the included custom washer fluid and coolant overflow tanks to ensure proper clearance. No major modifications are necessary, but careful attention to hose clamp tightness is essential to prevent boost leaks. This kit is only compatible with Perrin front mount intercooler cores and will not fit other intercooler setups.

  • Professional Installation: Recommended for best results, but DIY-friendly for experienced enthusiasts
  • Modifications Required: None beyond included tank replacements
  • Verify Compatibility: Confirm your vehicle is a 2015-2021 Subaru WRX with Perrin front mount intercooler core before purchasing

Shop with confidence at Subimods—your Subaru parts specialists.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 16481624525

Discover Niche Categories That Outsell boost box performance

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 2214 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Mom of 6+4
Belleville, US
★★★★★ 5
A thoughtful and practical book, from an author we have trusted through all the stages of parenting!
Format: Paperback
When we started our family, we figured that the "hard years" would be the ones with night-time feedings, teething, potty training... As my mom later revealed, "little children, little problems...big kids, big problems." And now, as parents of 4 adults, our learning in this "parenting stage" continues, and we appreciate all the help we can get! (And we now have lots of grandkids...a whole new phase with a steep learning curve!) We met Dr Kathy years ago, at a homeschooling conference in Europe, and have closely followed her ever since. She was a huge help to our oldest who was struggling in the German school system. When we were asked if we would like an advance copy of her book about strategies as parents of adult children, we were very glad to say yes! We so appreciate her thoughtful, practical advice! This book is filled with both, and we plan to get a hard copy, to re-read and underline. And we are definitely glad to recommend it to friends in this stage of life, whether they have great relationships with their kids or ones with tough challenges.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
L
LC Medical and Support Services
Cuba, US
★★★★★ 5
Practical help for a challenging transition of parenthood
Format: Paperback
I have long been a fan of Dr. Kathy, having read several of her books as well as heard her speak at conferences. She is always down to earth with practical ideas and spiritual truths. I was provided an advance, free copy of this book to read and preview, and I must say it was such as relevant topic to me - I have two young adult children, one who is fully launched and one still at home. Full disclosure - I am only through chapter 3, but that is because I wanted to take my time and digest the applications of this book! Some ideas I am already contemplepating and implementing: - avoiding placing my child (and their happiness) as a sort of idol in my life - an echo of what I'd already sensed - I need to shift my role from parent to invided guide -humbly confronting my own assumptions and beliefs as a pathway to open dialog - tackling the hard work of bcoming an active, intentional and sensitive listener. I had a digital copy so underlining wasn't practical, but that may be good as I'd want to underline most of the book so far! Each chapter has a mixture of concepts, ideas for building skills in real life and suggested prayers. I can't wait to finish the book - I actually ordered two hard copies for my husband and I to read and discuss together. Thank you for this book!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
H
Heidi R
San Leandro, US
★★★★★ 5
I will read it again and refer to it often.
Format: Paperback
"I hope and pray that what I've written has been what you needed - comforting, relevant, and appropriately challenging insights and ideas that will guide you to have more peace, hope, and growth. I picture you feeling differently, thinking differently, and using new ideas for God's glory. " Dr. Kathy Koch In my current moment, the wise guidance offered in Dr. Kathy's latest book is a valuable gift. Where many resources fail or miss the heart of things - the thoughts offered by Dr. Kathy in this book are practical, God honoring, honest, accessible, challenging, real. It is common to find resources aimed at Jesus followers that land as impractical platitudes. It is common to find resources claiming psychological excellence that bury the reader in therapeutic blame shifting. This book is neither of those things and I am so grateful. With a grown married child, an adult estranged child, an adult child still at home, a pre-launched teen, an aging parent, a frightening and sad loss of purpose in middle-age...I am the center of the target audience. Each chapter brings focus to different areas of adult relationships that are prone to conflict. Each chapter ends with very useful tools to help focus on areas of healing and growth. The prompts for intentional, grace-filled communication are clear and immensely useful. There is compassionate seeing, firm challenge, and hopeful help. This book goes on my reference shelf for easy access!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
V
Very Rarely Review Anything
Battle Creek, US
★★★★★ 5
What Do I Do When My DIL Wants to Cut Me Out of Her Life Along with My Granddaughter?
Format: Paperback, Format: Paperback
Answer to my question in my Review Title: I pray and God provided me this book! I just finished reading it, and I just couldn't wait to write this review! I highly recommending reading this book, if you are having any problems with your adult children, especially chapters 9-11. For me, like the title says, I didn't know what to do when my DIL said, "... I will be stepping back from contact for the foreseeable future. This includes cards, letters, gifts, or other communication unless I say otherwise." Since receiving that text message in December 2025, I have been praying about what to do. Just last week, my son texted me some very angry text messages, even demanding that I delete all virtual pictures of my granddaughter and giving him all my physical pictures of her (which I will do because of Matthew 5:38-42)! What amazing timing though to be reading this book! Praise God! My son has not closed the door yet on our relationship, so I have hope that I can implement some of the ideas in this book! See photo to see my notes (i.e. questions) that I wrote from the book that I could possibly ask him, if he is willing to meet with me. I pray that he does. Thank you SO much, Dr. Kathy, for writing this book! God is using you and your ministry. God bless you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
B
BoyMom
Chelsea, US
★★★★★ 5
Timeless Wisdom with Real Action Steps
Format: Paperback
I was blessed to read this book prelease and am delighted to share that this book is a must read for all parents with adult children. Dr. Kathy provides very helpful insight in first understanding the foundations of the relationship based on the core needs of the parent and the child. Her explanations are very convicting but I don't feel condemned for previous shortcomings; rather I feel inspired to improve and apologize. I particularly appreciate the realistic action steps and examples of actual words to think/speak in the first person so I can retrain myself to think, speak, and relate to my children. Dr. Kathy equips readers by providing step by step explanations of 1) What to do; 2) Why it works and; 3) How to do it . It is brilliant and so helpful. However, she does not provide false hope because sometimes love is not enough in the case of prodigals and she shares Truth with parents and acknowledges the the very real pain and loneliness that can result then follows-up with real action steps and reminds us of our hope in Christ. As always, the wisdom in the book is timeless and can be applied across multiple relationships in life including my relationship with my own parents where I am the child and even in communicating with my husband. I am grateful for the Celebrate Kids ministry and Dr. Kathy. I am constantly learning something new and am grateful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026

recommand products