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Description
XForce | LS1 V8 Headers & Metallic Cat Kit | Holden VT-VZ 1 3/4" Primaries | H2-HV13B-KITXForce LS1 V8 Header & Metallic Cat Kit 1 3 4" Primaries H2 HV13B KIT Unlock the maximum potential of your LS1 V8 with the Xforce Header and Cat Kit. Crafted from high strength 201 grade stainless steel, this kit features larger 1 3 4" primary pipes designed specifically for modified or high output Gen III engines that require superior exhaust scavenging. The 4 into 1 tuned design merges into a 3" outlet for optimal flow velocity. Included in this
XForce LS1 V8 Header & Metallic Cat Kit - 1 3/4" Primaries - H2-HV13B-KIT
Unlock the maximum potential of your LS1 V8 with the Xforce Header and Cat Kit. Crafted from high-strength 201-grade stainless steel, this kit features larger 1 3/4" primary pipes designed specifically for modified or high-output Gen III engines that require superior exhaust scavenging. The 4-into-1 tuned design merges into a 3" outlet for optimal flow velocity.
Included in this performance package are 3" metallic high-flow 100-cell catalytic converters. These "race-style" cats significantly reduce backpressure compared to standard ceramic units, allowing your V8 to breathe freely. Expect a noticeable increase in torque, horsepower, and a deeper, more aggressive exhaust note. This kit is a direct bolt-on solution when paired with an Xforce cat-back exhaust system.
What's in the Box?
- 1x Pair of 4-into-1 Headers (1 3/4" Primaries, 3" Outlets)
- 2x 3" Metallic High-Flow 100-Cell Catalytic Converters
- Installation Gaskets and Bolt Hardware
Features:
- Large 1 3/4" Primaries: Ideal for cammed or modified LS1 engines requiring increased flow.
- 3" Metallic Cats: 100-cell substrate provides maximum flow while maintaining a physical catalytic brick.
- 4-into-1 Tuned Design: Precision engineered to balance exhaust pulses and improve mid-to-high range power.
- Durable Construction: Non-polished 201-grade stainless steel for long-lasting performance.
- Broad Fitment: Suits a wide range of VT-VZ Holden and HSV RWD/AWD variants.
Important Installation Notes:
- O2 Extension Looms: Required for installation as the sensor bungs are relocated (sold separately).
- Dyno Usage: It is highly recommended to use tuning pipes in place of cats when tuning on a Dyno to avoid overheating the metallic substrate.
Specifications:
- Make: Holden / HSV
- Engine: 5.7L LS1 V8
- Header Primary Size: 1 3/4" (45mm)
- Header Outlet Size: 3" (76mm)
- Material: 201 Stainless Steel
- Cat Type: 100-cell Metallic
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
HSV Maloo (01/1994 - on), GTO (01/1994 - on), GTS (01/1994 - on), Sv300 (01/1994 - on), Senator (01/1994 - on), Clubsport (01/1994 - on), Avalanche (01/1994 - on), Coupe 4 (01/1994 - on), Grange (01/1994 - on), Holden Commodore (01/1994 - on), Calais (01/1994 - on), Crewman (01/1994 - on), One Tonner (01/1994 - on), Statesman (01/1994 - on), Monaro (01/1994 - on), Caprice (01/1994 - on), Adventra (01/1994 - on)
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN / HSV | ||||||||
| HOLDEN | ADVENTRA | 08/2003 | 12/2007 | Wagon | VY, VZ | LS1 5.7L | All V8 | AWD |
| HOLDEN | COMMODORE | 06/1999 | 12/2007 | Sedan/Ute/Wagon | VT-VZ | LS1 5.7L | All V8 | RWD |
| HOLDEN | MONARO | 12/2001 | 07/2006 | Coupe | V2, VZ | LS1 5.7L | All V8 | RWD |
| HOLDEN | STATESMAN / CAPRICE | 06/1999 | 07/2006 | Sedan | WH, WK, WL | LS1 5.7L | All V8 | RWD |
| HSV | CLUBSPORT / SENATOR | 07/1999 | 09/2004 | Sedan | VT, VX, VY | LS1 5.7L | i V8 | RWD |
| HSV | MALOO | 03/2001 | 09/2004 | Ute | VU, VY | LS1 5.7L | i V8 | RWD |
| HSV | GTS / GTO | 04/1995 | 09/2004 | Sedan/Coupe | VS, VT, VX, VY, V2 | LS1/HSV V8 | i V8 | RWD |
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:
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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
4.7 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Great product
Size: 4 Panels, Color: Beige
We needed something too block off a corner of a room. I looked through a ton of different room divider options on Amazon. I’m glad I did. I’ve had it up for about up about 4 months now, and it’s holding up well. Not too difficult to put together you just got to pay attention and make sure you’re putting it together the right way. The fabric is of good quality. It doesn’t feel flimsy.
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Reviewed in the United States on April 3, 2026
★★★★★ 4
Decent room divider for a good price.
Size: 4 Panels, Color: Grey
Honestly I'm pretty happy with the product for the price paid. The instructions were relatively easy to figure out and I put it together myself in an afternoon. Looks good for how cheap it was, and does exactly what I wanted. Double check your measurements before buying, but this worked out great for me.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Great solution if you need some privacy!
Size: 6 Panels, Color: Beige
I had my family and relatives came over last holiday and I needed to provide a make shift rooms for them. I have a finished basement. I purchased 2 sets of VEVOR 6 Panel Room Divider and solved my problem.
The VEVOR 6 Panel Room Divider is a practical and affordable way to create privacy in any space. It’s easy to set up and the folding design makes it simple to adjust or store when not in use. The panels are lightweight but still feel sturdy enough. Assembly needs some extra patience
Overall, a great value option for flexible and convenient room separation. Highly recommended.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
VEVOR Room Divider
Size: 6 Panels, Color: Black
The VEVOR Room Divider is good, it gives the privacy that I want and was easy to assemble.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Super Value
Size: 4 Panels, Color: Grey, Size: 4 Panels, Color: Grey
While not elegant, these dividers are study, stable, and made of surprisingly high-quality materials for the price. The fabric has a heavy-duty feel and stretches nice and tight with no need to individually Velcro the top and bottom in place as compared to other options. That makes screwing-in one bolt per panel section a bit of a challenge that is best done with two people. However, the results are worth the effort. Otherwise, super quick and simple assembly. The included hex wrench works OK. However, using a 5/32nd inch (4 mm) hex bit in a manual or electric screwdriver dramatically speeds assembly and disassembly. Everything fits nice and neatly back into the divider's shipping box provided one carefully preserves its packing materials and notes how the box was originally packed. Our organization ordered 8 additional 4 panel sets after initial testing of one set of panels indicated that they were an extremely cost-effective alternative to renting "pipe and drape" to support displaying and dividing artwork. We plan to use rubber backed pushpins (also available via Amazon) to affix items to the dividers as needed.
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Reviewed in the United States on March 23, 2026