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Description
Xforce | 1 5/8" Tri-Y Header & High Flow Cat Kit | Holden Commodore VT-VZ LS1 V8 | HS-HV09B-KITHolden LS1 1 5 8" Primary Tri Y Header & High Flow Cat Kit HS HV09B KIT Unlock the performance of your LS1 powered Holden with the Xforce Tri Y Header Kit. This comprehensive exhaust upgrade is designed to improve low to mid range torque and overall horsepower by optimizing exhaust scavenging. Crafted from polished stainless steel, this kit provides a premium look and long lasting durability for your V8 Commodore or Calais. Note: O2 extension looms
Holden LS1 1 5/8" Primary Tri-Y Header & High-Flow Cat Kit - HS-HV09B-KIT
Unlock the performance of your LS1-powered Holden with the Xforce Tri-Y Header Kit. This comprehensive exhaust upgrade is designed to improve low-to-mid-range torque and overall horsepower by optimizing exhaust scavenging. Crafted from polished stainless steel, this kit provides a premium look and long-lasting durability for your V8 Commodore or Calais. Note: O2 extension looms are required for installation; tuning pipes must be used in place of catalytic converters when running the vehicle on a Dyno.
What's in the Box?
- 1x Set of 1 5/8" Tri-Y Headers (Left & Right)
- 2x 2.5" 100-Cell Metallic High-Flow Catalytic Converters
- All Necessary Gaskets and Bolts for Header-to-Cat Connection
Features:
This product offers the following high-performance features:
- Tri-Y Design: The 4-2-1 Tri-Y configuration is specifically engineered to enhance torque spread, making it an ideal choice for street-driven LS1 vehicles.
- 1 5/8" Primaries to 2.5" Outlets: Carefully sized primary pipes ensure optimal exhaust gas velocity, leading to improved throttle response and power gains.
- 100-Cell Metallic Cats: Includes high-flow metallic substrate catalytic converters that offer significantly less restriction than factory ceramic units while remaining durable under performance conditions.
- Polished Stainless Steel: Fully constructed from high-quality stainless steel with a polished finish for superior corrosion resistance and a show-quality engine bay appearance.
Specifications:
- Make: Holden
- Model: Commodore / Calais / Statesman
- Engine: 5.7L LS1 V8
- Header Type: Tri-Y (4-2-1)
- Primary Diameter: 1 5/8 Inch
- Outlet Diameter: 2.5 Inch
- Material: Polished Stainless Steel
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 HS-HV09B-KIT
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Commodore | 1999 | 2000 | Sedan / Wagon / Ute | VT II | 5.7L LS1 V8 | All Models | RWD |
| Holden | Commodore | 2000 | 2002 | Sedan / Wagon / Ute | VX | 5.7L LS1 V8 | All Models | RWD |
| Holden | Commodore | 2002 | 2004 | Sedan / Wagon / Ute | VY | 5.7L LS1 V8 | All Models | RWD |
| Holden | Commodore | 2004 | 2006 | Sedan / Wagon / Ute | VZ | 5.7L LS1 V8 | All Models | 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:
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
4.9 ★★★★★
Based on 1567 reviews
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Product Reviews
★★★★★ 5
Perfect
Color: Blue, Size: Square
Just what I needed. The size is perfect as I didn’t want anything too large to place my watches and other accessories inside near the corner of my desk. Its size is essentially 7x7, and the design is sleek compared to other organizer holders. I got the color in blue and it looks stunning with the rest of my setup. I’m unsure about other reviewers, but mine came safely and the leather walls are decently thick, so it’s not too flimsy when buttoned together which holds very securely. There are hole spaces at the bottom corners once assembled, so if you have super small items such as beads or really small jewelry, they could potentially fall out, but most of my items are large enough that won’t be of concern. If you have a wire charger near by, the holes could be used to charge your smartphone inside, which has its own practical usage. Overall, I’d definitely recommend it if you’re on a lookout for a sleek but compact organizer holder, and I personally will consider getting another one in the future for myself for other household belongings.
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Reviewed in the United States on October 13, 2024
★★★★★ 5
Quality, Design, Function = 100% Great!
Color: Black Linen
Looks perfect on a lower shelf of living room coffee table. The black outside is classy and the wood top matches the color of my wood coffee table. Sure makes tissue boxes look great! Good that the bottom is magnetic and the box doesn’t slip out if you lift it up. You get what you pay for and this is all great quality. Thanks for such nice addition to our home.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
perfect box
Color: Beige
beautiful tissue box holder good quality bought it to discreetly hold my baby wipes in my bathroom and it adds a perfect touch to my bathroom very versatile will buy more! very durable and sturdy.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
A Tissue Box That Finally Understands the Assignment
Color: Retro
I tested this vintage-style tissue box cover with the same scrutiny I give freeze dryer liners and financial models—and it passed with charm and function.
Material & Build: The PU leather has a raised floral relief that mimics carved wood surprisingly well. It’s backed by MDF and lined with non-woven fabric, which makes it both sturdy and easy to wipe clean. I spilled coffee on it (not intentionally), and it didn’t flinch.
Functionality: It fits a standard rectangular tissue box and—bless it—completely hides the garish branding and neon graphics that manufacturers seem to think belong in a living room. This cover restores dignity to the humble tissue.
Design: It’s waterproof, durable, and doesn’t collapse when tugging out a tissue. The vintage look is intentional, not kitschy. Think “grandmillennial chic” rather than “forgotten attic find.”
Accessibility Note: The texture and structure make it easy to locate and use for seniors or anyone with low vision. No sliding around or crushed corners.
If you’ve ever looked at your tissue box and thought, “Why must you be like this?”—this cover is your redemption arc. It’s a small upgrade that quietly improves the space and makes you feel like your home is curated, not cluttered.
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Reviewed in the United States on September 20, 2025
★★★★★ 5
Love these.
Color: Gray
Never thought I'd "love" a tissue box holder but these are very nice. Weighted do the box doesn't move when you pull a tissue out. Bottom is magnetic, and they don't look cheap. Look well made. Highly recommend!
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Reviewed in the United States on February 21, 2026