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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
4.0 ★★★★★
Based on 1701 reviews
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Product Reviews
★★★★★ 2
Was hopeful…
Was hoping this version would be better, but no. Welcome to the Nite Ize repair center. The pictures show the old version run by LED batteries. Although they claim the balls are waterproof, no. I’ve learned to clean out the contacts and add new batteries to reuse them, but a lot of the time the rust has already formed. The new rechargeable version is more expensive and has the same ‘waterproof’ casing. First charge was good; second charge didn’t even last for our retrieving sessions one evening. Third session on a full
Charge didn’t even last one session. Too much money for the quality. When they work - they are great. Unfortunately, still the best on the market, it it’s just like throwing away money. Innovators???
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Reviewed in the United States on October 4, 2025
★★★★★ 5
Works Great! Very bright
My dog and I really love this ball. Bought this so we can play in the field behind our house at night. Tried other balls, like the glowing ones, but they're not bright enough. Other battery powered balls don't stay on long enough and I got tired of looking for them in the dark. This one stays on, depending on the switch setting, either 5 minutes, or indefinitely until it's shut off or until the battery dies. The battery, according to the instructions, should last 10 hours before needing recharging. I've charged it once when it was received, haven't had to re-charge it yet, played with it about 7 nights now 20 min each time and it's still going.
Others have said it's not very durable, but I've found it to be durable enough to play catch with our border collie, haven't had any issues. but I don't let him chomp on it all he wants, just throw it and he brings it back. I suppose if your dog is an aggressive chewer and you let him just sit there and go to town on it, it won't last very long, just like any other ball. We use this ball only at night when needed, and use cheaper balls at other times to increase its life span.
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Reviewed in the United States on December 19, 2024
★★★★★ 5
THIS IS A MUST-BUY! If you have a dog--you NEED this ball!
Color: Orange
We have two 18-month-old chocolate Labs (brothers—basically twins with paws). The best time to walk them is early morning or just before dark… which is exactly how we managed to lose approximately 9,472 tennis balls in our cornfield. RIP, brave yellow soldiers.
So I went searching for a ball that didn’t just glow—I wanted one that full-on lights up like a tiny dog disco. Enter this LED ball. Game. Changer.
Our walks are now way more fun. The ball bounces, flashes, and changes colors like it’s auditioning for a rave. People literally slow their cars as they drive past our field just to watch the light show. I’m not saying we’re local celebrities now… but I’m not not saying that either.
And here’s the real magic: when the boys get distracted and abandon the ball (because squirrel), it stays lit so I can actually find it. We also bought a ball launcher from Walmart for about $9, and the LED ball fits perfectly—same size as a tennis ball, just 100x cooler.
This ball is waterproof and mostly floats, although I haven’t been brave enough to throw it into the pond or river because I’m positive my dogs would treat that as a full-scale navy search mission and never find it again.
It’s easy to charge, and even with 2–3 hours of walking daily, I only have to plug it in every few weeks. We’ve had it for months now and it’s still going strong—super durable. We don’t let them chew on it off-walk (because Labs), but during fetch? It’s a champ.
Also—small but hilarious detail—when they catch it, their mouths light up. I have accidentally created glow-in-the-dark dogs.
I love this ball so much I’m buying a backup because life without it is not an option. Best dog toy EVER. Whoever invented this deserves a medal, a parade, and a lifelong supply of tennis balls they’ll never lose again. 🐾💡
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Reviewed in the United States on December 1, 2025
★★★★★ 1
DISAPPOINTED
Color: Blue
only lasted 3 months after about a dozen uses. The LED core fell out and now it's totally useless. Not worth the cost at all. Disappointed because my dogs really loved them.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Dog is obsessed with this.
The spa works as intended it lights up at night, which is super helpful for short winter days and for when the snow starts to pile up, it illuminates the snow pile that dog dropped it in so I can find it. I haven’t actually charged it yet. It came fully charged and has been in use for over a week without needing a recharge. We only use it on outside excursions together. I keep it in my pocket on walks in case he needs something in his mouth or an incentive to run a little off leash. I like that there are two settings to the light which I didn’t notice when I ordered it. One will shut off after five minutes of inactivity to save battery, which is really convenient so I don’t have to keep on screwing it to turn it on and off or there’s a second setting where the light stays on until you manually turn it off. We have it on the battery saving mode and we have never lost it. Overall, a really fun toy that even the neighbors, tiny dog who can barely pick it up and enjoys. It’s not really soft for like chewing, but that also means he’s not going to destroy it. It is a heavy ball to throw, but not too bad. One of my favorite purchases for this puppy.
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Reviewed in the United States on January 19, 2025
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