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Description
Xforce | 3" Stainless Steel Downpipe Kit | Subaru WRX & STI EJ20 EJ25 1994–2007 | ES-SW07-KITBSubaru WRX STI EJ Downpipe Kit ES SW07 KITB Enhance the performance of your Subaru WRX or STI with the Xforce high quality Downpipe Kit. Designed specifically for the legendary EJ20 and EJ25 Turbo engines (19942007), this kit drastically improves exhaust gas flow by replacing the restrictive factory unit. Experience increased power, faster turbo spool, and improved throttle responsiveness. The precision engineered cast bell mouth design ensures that
Subaru WRX STI EJ Downpipe Kit - ES-SW07-KITB
Enhance the performance of your Subaru WRX or STI with the Xforce high-quality Downpipe Kit. Designed specifically for the legendary EJ20 and EJ25 Turbo engines (1994–2007), this kit drastically improves exhaust gas flow by replacing the restrictive factory unit. Experience increased power, faster turbo spool, and improved throttle responsiveness. The precision-engineered cast bell-mouth design ensures that exhaust gases exit the turbine wheel and wastegate with minimal turbulence, unlocking the true potential of your Subaru.
Note: This downpipe is specifically engineered to bolt up ONLY to an Xforce cat-back exhaust system. Tuning is highly recommended after installation to ensure engine safety and peak performance.
What's in the Box?
- 1x Cast Stainless Steel Bell-Mouth Dump Pipe Section
- 1x 3" Polished Stainless Steel Pipe with 100-Cell Metallic Cat
- 1x Integrated Stainless Steel Flex Bellows
- All Necessary Installation Gaskets and Hardware
Features:
This product offers the following high-performance features:
- Cast Bell-Mouth Design: The wide cast stainless steel top provides an optimal path for both turbine and internal wastegate gases, reducing backpressure at the turbo outlet.
- 100-Cell Metallic High-Flow Cat: Equipped with a 100-cell metallic substrate catalytic converter, designed to maximize flow while maintaining compliance for the platform.
- 3" Polished Stainless Steel: Crafted from high-grade 304 stainless steel with a polished finish for superior corrosion resistance and a premium look.
- Stainless Steel Flex Bellows: Integrated flex bellows help absorb engine movement and vibrations, protecting your turbocharger and exhaust hangers from stress.
- Direct Fitment: Engineered specifically for the GC8 and GD/GG chassis eras of the WRX and STI.
Specifications:
- Make: Subaru
- Model: WRX / STI
- Engine: EJ20 / EJ25 Turbo
- Year Range: 1994 - 2007
- Material: Stainless Steel
- Pipe Size: 3.0 Inch
Important Information
- System Compatibility: This kit is designed to bolt exclusively to Xforce cat-back systems.
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
Vehicle Applications for ES-SW07-KITB
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| SUBARU | ||||||||
| Subaru | WRX | 1994 | 2000 | Sedan / Hatch | GC8 / GF8 | 2.0L Turbo EJ20 | Standard / STi | AWD |
| Subaru | WRX | 2001 | 2007 | Sedan / Hatch | GD / GG | 2.0L / 2.5L Turbo | Standard / Premium | AWD |
| Subaru | WRX STI | 2001 | 2007 | Sedan | GDB | 2.0L / 2.5L Turbo | STI | 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
4.5 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
works as advertised!
Size: 1 Count (Pack of 1)
I purchased this kit to renew the headlights on my 2016 Nissan Frontier pick-up. The headlights had become slightly oxidized and dull -- not that bad but it was bothering me and for the price of the kit I figured it was worth the effort to attempt to renew them.
All I can say is -- WOW, what a difference. The end result looked like new -- clean, brilliant and bright.
Read the directions (2 or 3 times) and follow them EXACTLY. Total time for me from opening the kit to being done was about 2 hours and I was taking my time.
This kit is different in that the final step applies a UV resistant coating which really makes the glass super transparent.
Great investment in the time and money. I can't stop admiring my new (old) headlights!
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Incredible Results! The "Z-Line" is Back!
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
I’ve tried a few "wipe-on" fixes in the past, but the CERAKOTE® Ceramic Headlight Restoration Kit is in a completely different league. If you are tired of hazy, yellowed lenses and weak nighttime visibility, look no further.
📖 Instructions & Ease of Use
The first thing that stood out was the clarity of the instructions. The kit breaks everything down into a simple, step-by-step process. Even if you aren't a "car person," the directions are foolproof. They don't just tell you what to do; they explain why each step matters, which gave me the confidence to get the job done right the first time.
✨ Restoration Effectiveness
As you can see in my Before and After photos, the transformation is night and day. My headlights went from a dull, oxidized yellow to a factory-fresh, crystal-clear finish. It didn't just "clean" them—it completely rejuvenated the plastic.
🔦 The Real Test: Light Output & Beam Pattern
The most impressive part isn't just how the car looks, but how it performs at night. I’ve included a photo of my car parked against a wall in the dark to show the comparison:
Passenger Side (Restored): You can see a sharp, distinct cutoff line and the perfect "Z-line" pattern. The light is focused exactly where it needs to be on the road.
Driver Side (Not Restored yet): The light is completely distorted. There is no cutoff, just a messy blob of light that scatters everywhere, likely blinding oncoming traffic while providing less actual visibility for me.
Final Verdict
This kit doesn't just make your car look better; it’s a genuine safety upgrade. Seeing that crisp Z-line back on the wall proves that the clarity is internal as well as external. Highly recommended!
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Reviewed in the United States on April 15, 2026
★★★★★ 5
My first experience using one of these, it worked VERY well!
Size: 01- 24pcs (Classic Green)
Our tire picked up a large bolt that we could hear clicking when we were driving, and our low pressure warning light lit on our dash. Yep---tire was 7 psi below recommended (32 down to 25), I could not see the leak site and we were far from home so I drove some more then checked again. Just one more psi down over those 20 miles so all the way home (100 miles more) we drove. By that time I was able to find the leaking spot and see the bolt head had ground off or broken off. It was just a very slow leak, a few psi more per day, but I knew it would only get worse.
I decided to order this kit after reading reviews & don't believe the haters. It worked so well for me it is worthy of my time to write of my experience. The tools to me all seem robust & top notch, especially for the price. There are multiple straps inside the nice case to secure them in place. YES---you have to use your own pliers but come on---don't ding the product when that is spelled out clearly in the description!
So---I had the huge benefit of allowing a full day in my own garage to do this. I pulled the wheel since others had said it much easier that way. I then used my pliers to pull the remaining bolt out of the tire and immediately heard the air rush out. "That's a pretty big hole!" I thought. I reamed the hole easily, lubed the plug installation tool, centered one plug strip in the tool and pushed it in all the way except about 1" left outside the tire. I aired up the tire after about 5 minutes of what I thought would be "cure time" but don't know if that's necessary. After my initial inflation to full pressure the tire actually did leak down a bit over a few hours. A few cycles of this and it has stayed sealed completely ever since....not even down a pound! I assume this was the time the vulcanizing compound (already applied to the plugs) took to seal to the tire....maybe if I had driven on it right away (heat generated and varying forces) it would not have leaked out. My initial fear of "huge hole" and assuming I might need to plug twice or use 2 plugs the fear was unfounded.
I will update this post if something goes awry. For now I am one happy customer as well as a happy camper. I'd strongly recommend this kit based on my experience, plus I have the remaining patches & tools if needed again. I hope this helps you with your decision/choice.
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Reviewed in the United States on July 27, 2024
★★★★★ 5
Lifesaver Tire Repair Kit Every Car Should Have One
Size: 01- 24pcs (Classic Green)
This 24-piece tire repair kit has already saved me and my family multiple times. My car literally can’t go without it now. It’s compact, well-organized, and the tools are sturdy and professional-grade. Having this kit has saved us from costly trips to the tire shop, time wasted going back and forth, borrowing another car, or risking driving on a flat tire. Seriously, everyone should have one in their car, just buy it and keep it there. Trust me, it’s a game-changer!
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Reviewed in the United States on January 12, 2026
★★★★★ 4
Had no issue and it was very easy to use. It has been a week and no leak.
Size: 01- 24pcs (Classic Green)
Easy to use and its been a week and no leak. The kit is great and easy to use. The hard part was for me to get the screw out of my tire because the head was half gone. Once I got the screw out I followed the instructions and reamed the hole and inserted the plug and trimmed the plug.
If you plan on keeping it in your car you probably should add a screwdriver and/or pliers to get the screw out of the tire and a razor to trim the plug once it is in. You really need a razor to trim the plug I tried with a knife but the had to get a razor.
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Reviewed in the United States on April 5, 2025