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Description
Injen 04-07 STi / 06-07 WRX 2.5L Wrinkle Red Cold Air IntakeElevate your vehicle's performance with the INJ SP Intake from Injen's renowned SP Series Speed Pro Intake Systems. Crafted from high quality aluminum, this air intake kit is designed to maximize airflow and boost engine efficiency. This intake system features a sleek black aluminum tube that not only adds a stylish touch under your hood but also ensures durability and heat resistance for consistent performance. The air filter is made from synthetic
Elevate your vehicle's performance with the INJ SP Intake from Injen's renowned SP Series Speed Pro Intake Systems. Crafted from high-quality aluminum, this air intake kit is designed to maximize airflow and boost engine efficiency.This intake system features a sleek black aluminum tube that not only adds a stylish touch under your hood but also ensures durability and heat resistance for consistent performance. The air filter is made from synthetic materials, providing a dry filter solution that enhances filtration and longevity.
The striking blue color of the filter combined with a black filter end cap and sleeve offers a bold, aesthetic upgrade. Sold as a complete kit, it includes everything needed for installation.
Engineered for enthusiasts who demand both style and substance, this intake system is California EO approved for emissions (CARB EO Number D-476-5), making it suitable for street-legal use in strict emission states.
Designed to fit seamlessly into your vehicle's engine bay, the INJ SP Intake optimizes air intake efficiency to help you experience improved throttle response and potential power gains. Experience fast shipping and reliable service from Tuningsupply, your trusted European source for performance parts since 2020.
Upgrade your ride confidently with the INJ SP Intake by Injen — where performance meets precision and style.
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4.0 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Captivating
Format: Hardcover
I enjoyed reading this book and look forward to sharing it with friends and family.
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Reviewed in the United States on November 27, 2022
★★★★★ 5
Best LitRPG
Format: Kindle
This is absolutely the best litRPG I've ever read as well as the best self-published series. Between the character progression, the amazing sense of humor, and the relatability of the characters, this is my top recommendation for anyone interested in litRPGs. I fell in love so much that I had to sign up for the Patreon account so I could get my fix regularly (5 new chapters each week). I even managed to get my roommate hooked on the audiobooks.
If you're looking for a fun story with loveable characters, surprising insights, and epic fights, this is for you.
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Reviewed in the United States on October 24, 2022
★★★★★ 5
What the??!!!!??
Format: Kindle
This book"kills" it!!! It kept making me laugh out loud and waking up my wife... NOT COOL!! She needs her sleep...and I can't really tell her what is so darn funny because She Hasn't read any of this series and wont get the joke. It also brought tears to my eyes reminding me of actual life events I've lived through. Loss,honor, loyalty, friendship, dangerous situations... Amazing stuff! I can't stop laughing and reading. Awesome...
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Reviewed in the United States on July 12, 2025
★★★★★ 4
A lot of useless skipping around...
Format: Kindle
So, I really enjoy the underlying story, but I really wish the writing was cleaned up. There were so many little sections, a few paragraphs to a few pages that were bouncing all over the place. And while some sort of moved the plot along, the vast majority were just filler.
It would have been significantly more fluid if events were portrayed through characters experiences, than just having narration about everything happening all over.
In addition, I know this is a web novel, and they tend to be written chapter by chapter. This, painfully, results in less cohesion from start to middle to end. The story ends up feeling choppy, and the overall arc throughout the book suffers. In fact, over >700 pages and we really didn't make a ton of headway until ~60% of the way through the book. That's when things really started. The majority before was fluff and filler. Useful, but only once distilled and refined.
I'm really hoping that for future books, Shirtaloon spends some time really thinking what is critical for the plot, and how to incorporate as much of that plot progression through the lenses of the characters in lieu of just narrating pages and pages of stuff. For example, instead of spending 100s of pages on mentioning all the places in the world crumbling from infighting and corruption, instead portray that through the character. It reads so much better, and ends up being more concise, and allows for opportunities for further character development all while building the world.
I love more story, but I'd prefer reading a 700 page story. Not a 400 page story in 700 pages. Let's make all the pages matter.
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Reviewed in the United States on April 8, 2022
★★★★★ 5
great series
Format: Kindle
I have really enjoyed these books. Highly recommend reading them. Plan to read all of the series. Keeps getting better.
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Reviewed in the United States on March 29, 2026