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Description
XForce | Header & Metallic Cat Kit | Subaru Impreza GC GD GG N/A 1996–2007 | H2-SW11B-KITXForce Header & Metallic Cat Kit Subaru Impreza GC GD GG N A (1996 2007) H2 SW11B KIT Transform the performance of your Naturally Aspirated (Non Turbo) Subaru Impreza with the XForce Header and Cat Kit. Engineered for Flow, this kit features a high efficiency 4 2 1 Tri Y design and a 100 cell metallic high flow cat. This combination significantly reduces backpressure compared to the factory manifold, providing a noticeable increase in power and
XForce Header & Metallic Cat Kit - Subaru Impreza GC GD GG N/A (1996 - 2007) - H2-SW11B-KIT
Transform the performance of your Naturally Aspirated (Non-Turbo) Subaru Impreza with the XForce Header and Cat Kit. Engineered for Flow, this kit features a high-efficiency 4-2-1 Tri-Y design and a 100-cell metallic high-flow cat. This combination significantly reduces backpressure compared to the factory manifold, providing a noticeable increase in power and throttle response. Please note: This kit produces an equal-length exhaust pulse and does not maintain the traditional "boxer rumble" note. It is designed only to fit with XForce cat-back systems.
What's in the Box?
- XForce 4-2-1 Tri-Y Design Header (Matt Finish Stainless)
- 2.5" High-Flow 100 Cell Metallic Catalytic Converter
- Installation Gaskets & Bolt Kit
Features:
This product offers the following high-performance features:
- Tri-Y Design Header: Optimized 4-2-1 layout for improved mid-range torque and top-end power.
- Matt Finish Stainless Steel: Durable construction with a professional aesthetic.
- High-Flow Metallic Cat: 2.5" outlet with 100-cell core for maximum exhaust scavenging.
- Performance Sound: Delivers a crisp, refined exhaust note (Equal Length).
Specifications:
- Make: Subaru
- Model: Impreza (Naturally Aspirated)
- Series: GC, GD, GG
- Year Range: 1996 - 2007
- Material: Matt Finish Stainless Steel
- Outlet Size: 63.5mm (2.5")
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
Vehicle Applications for XForce H2-SW11B-KIT
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| SUBARU | ||||||||
| SUBARU | IMPREZA | 10/2005 | 12/2007 | Hatchback | - | EJ204 | 2.0L | i | AWD |
| SUBARU | IMPREZA | 12/2002 | 12/2007 | Hatchback | - | EJ201 | 2.0L | i | AWD |
| SUBARU | IMPREZA | 12/2000 | 06/2007 | Wagon | GG (GG9) | EJ201 | 2.0L | i | AWD |
| SUBARU | IMPREZA | 09/1999 | 12/2007 | Sedan | GD (GD9) | EJ201 | 2.0L | i | AWD |
| SUBARU | IMPREZA | 12/2002 | 09/2005 | Hatchback | GG (GGE) | EJ25 | 2.5L | i | AWD |
| SUBARU | IMPREZA | 01/2001 | 09/2005 | Sedan | GD (GDE) | EJ251 | 2.5L | i | AWD |
| SUBARU | IMPREZA | 12/2001 | 11/2002 | Sedan | GD (GDA) | EJ205 | 2.0L | i | AWD |
| SUBARU | IMPREZA | 09/1999 | 10/2000 | Sedan | GC (GC8) | EJ201 | 2.0L | i | AWD |
| SUBARU | IMPREZA | 09/1998 | 09/2000 | Sedan | GC (GC7) | EJ201 | 2.0L | i | FWD |
| SUBARU | IMPREZA | 11/1996 | 09/1998 | Sedan | GC (GC8) | EJ201, EJ20E | 2.0L | i | AWD |
| SUBARU | IMPREZA | 11/1996 | 09/1998 | Wagon | GF (GF8) | EJ201, EJ20E | 2.0L | i | AWD |
| SUBARU | IMPREZA | 07/1996 | 08/1998 | Sedan | GC (GC7) | EJ20E | 2.0L | i | FWD |
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
4.8 ★★★★★
Based on 508 reviews
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Product Reviews
★★★★★ 5
Solved Specific Need
Size: 10 Ft (Type B with Clamp), Color: White
Nice product which solved a problem of needing USB power clamped to a very thick work table. Most power strips with a clamp do not accommodate thick tables between 1.75" and 2" so I was happy to find this one. Successfully provides power to all my USB devices even a laptop (although charging is a bit slower compared to the OEM power adapter).
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Reviewed in the United States on January 30, 2026
★★★★★ 5
One minor bug
Size: 10 Ft (Type B with Clamp), Color: Black
I received this today and mounted it to the table I have next to my recliner. I plugged it into a remote control outlet so I can turn everything off at once. I used two of the AC outlets for the power recliner. I then plugged a USB powered fan into one of the USB-A ports. I plugged the power cable from a set of speakers positioned next to the headrest of the recliner into the other USB-A port. I used one of the USB C outlets to charge my tablet. When I hit the switch on the remote control to turn off power to the strip before going to bed I discovered a bug. The only way I can describe it is a cross port power bleed. After killing power to the strip my speakers were still playing, not well as they had static. I discovered by trial and error that if I unplugged my tablet the problem stopped. Apparently if you have something with a battery plugged into one of the USB ports and have something plugged into the other USB ports it pulls power from the device with the battery to try and power the other devices plugged in. Other than this one problem it seems to be just what I was looking for.
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Reviewed in the United States on May 30, 2025
★★★★★ 5
Mounts to desktop
Size: 10 Ft (Type B with Clamp), Color: Black
Helps keep the desktop clutter down. Sometimes I need to charge flashlights, earphones, hearing aids, portable battery chargers and the like. I don’t want to plug these onto my computer so this unit fits that need. Sturdy desk mount so one hand plugging in and unplugging usually works fine.
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Works great
Size: 10 Ft (Type B with Clamp), Color: Black, Size: 10 Ft (Type B with Clamp), Color: Black
Small and does the trick. I’m glad my USB hub will stop falling off the table!
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Reviewed in the United States on December 28, 2025
★★★★★ 4
Decent, gets warm though
Size: 10 Ft (Type B with Clamp), Color: Black
Compact with a nice long power cord. However, it does get warm, which makes me nervous, seeing as it is clamped to a wooden table...
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Reviewed in the United States on January 23, 2026