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Description
XForce | 3" Varex Valved Cat Back Exhaust | Subaru WRX STI 2003–2007 | E4-SW05VMK5-CBSXForce 3" Varex Valved Cat Back Exhaust System Subaru WRX & STI E4 SW05VMK5 CBS The XForce Cat Back Exhaust System featuring the patented Varex Rear Muffler is the ultimate upgrade for 20032007 Subaru WRX and STI owners who demand total control over their vehicle's acoustic personality. Expertly crafted from high quality raw 409 stainless steel, this system utilize 3" mandrel bent tubing to maximize exhaust flow and significantly improve engine
XForce 3" Varex Valved Cat-Back Exhaust System - Subaru WRX & STI - E4-SW05VMK5-CBS
The XForce Cat-Back Exhaust System featuring the patented Varex Rear Muffler is the ultimate upgrade for 2003–2007 Subaru WRX and STI owners who demand total control over their vehicle's acoustic personality. Expertly crafted from high-quality raw 409 stainless steel, this system utilize 3" mandrel-bent tubing to maximize exhaust flow and significantly improve engine performance. The heart of the system is the Varex valved muffler, allowing you to switch between a discreet, neighbor-friendly quiet mode and an aggressive, high-flow boxer growl at the touch of a button. Whether it's the daily commute or a weekend track day, this system provides the perfect balance of performance, versatility, and style.
What's in the Box?
- 1x 3" Raw 409 Stainless Steel Center Section with Hot-Dog Resonator
- 1x Varex Valved Oval Rear Muffler
- 2x 80mm Polished Exhaust Tips
- 1x Varex Control Kit (Wiring Harness & Remote Keys)
- All Required Gaskets and Hardware
Features:
This product offers the following high-performance features:
- Patented Varex Valve Technology: In-muffler valve control allows for manual adjustment of sound levels from stock-quiet to open-performance.
- 3" Mandrel-Bent Tubing: Ensures a smooth, unrestricted exhaust path for improved turbo spool and horsepower gains.
- Raw 409 Stainless Steel: Durable industrial-grade construction designed to withstand high heat and provide long-lasting service.
- Acoustic Versatility: Equipped with a center hot-dog resonator to refine the tone and a Varex oval rear muffler for ultimate sound customization.
- Twin 80mm Tips: Classic twin-tip design provides a clean, performance-oriented aesthetic that fits perfectly in the factory bumper cutout.
Specifications:
- Make: Subaru
- Model: WRX / STI
- Year Range: 2003–2007
- Material: Raw 409 Stainless Steel
- Pipe Size: 3 Inch (76mm)
- Tip Size: Twin 80mm
- Muffler Type: Varex Valved
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
- Fitment Note: Fits Manual transmission vehicles only.
- Installation Note: Some models require connecting pipe E4-SW05-C1 to be ordered separately for bolt-on application when fitting to vehicles with a standalone catalytic converter.
Vehicle Applications:
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| SUBARU | ||||||||
| SUBARU | WRX / STI | 2003 | 2005 | Sedan / Wagon | GD / GG | EJ20 Turbo | Manual Only | AWD |
| SUBARU | WRX / STI | 2005 | 2007 | Sedan / Wagon | GD / GG | EJ25 Turbo | Manual Only | AWD |
Warranty Information
| Product Type | Warranty Period |
|---|---|
| 304 & 201 Stainless Steel Exhaust Systems | 60 Months |
| Accessories | 12 Months |
| Catalytic Converters | 12 Months |
| Electronic Products (Including SmartBox) | 12 Months |
| Mild Steel & 409 Stainless Steel Exhaust Systems | 24 Months |
| Mild Steel Headers | 12 Months |
| Stainless Steel Headers | 24 Months |
| Universal 304 Stainless Steel Mufflers | 24 Months |
| Universal Mild Steel & 409 Stainless Steel Mufflers | 12 Months |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 9, 2024
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me.
I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2025
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
★★★★★ 5
Great book
Format: Kindle
I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2024
★★★★★ 4
Fun with a late blooming omega
Format: Kindle
I like this book. The story is fun, cute, and sexy. There's just a little drama, some excellent, steamy scenes, and a fairly good relationship building storyline. I especially like how all the main characters are a bit older than the usual 20 somethings I tend to see in this kind of book.
Having said that, I wish there were more descriptions of the places, as well as the food in the fancy restaurant. I enjoyed the cocktails at the club, so I missed that kind of detail when Gray took Madison on a dinner date. I also wish there had been more interaction between Lucas and Madison, and Lucas and Rian. It felt a bit lopsided, with a focus on Rian, Madison, and Gray.
I wish it had been proofread - there are a lot of typos, but nothing too distracting.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 12, 2022
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