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Description
Manta | 1 3/4″ 4-Into-1 Tuned Extractors with 3″ Outlets | Holden HQ HJ HX HZ WB 5.0L 304 EFI ConversionManta 1 3 4 4 Into 1 Tuned Extractors with 3 Outlets for Holden HQ HJ HX HZ WB 5. 0L 304 EFI Conversion Boost the performance of your Holden HQWB with these precision engineered 1 3 4 4 into 1 tuned extractors from Manta. Featuring 3 outlets, they are designed for improved exhaust flow, better scavenging, and increased power in EFI 5. 0L 304 V8 conversions. Note: There could be some modifications required for the fitment of this product. Any non
Manta 1 3/4″ 4-Into-1 Tuned Extractors with 3″ Outlets for Holden HQ HJ HX HZ WB 5.0L 304 EFI Conversion
Boost the performance of your Holden HQ–WB with these precision-engineered 1 3/4″ 4-into-1 tuned extractors from Manta. Featuring 3″ outlets, they are designed for improved exhaust flow, better scavenging, and increased power in EFI 5.0L 304 V8 conversions.
Note: There could be some modifications required for the fitment of this product. Any non-standard engine mounts, gearboxes, coolers or steering racks may interfere with fitment.
Warranty
Stainless Steel Systems – 10 years
Aluminised Systems – 2 years
Why Manta?
Manta is an Australian leader in exhaust performance, engineering, and durability. Every system is designed for optimal fitment, appearance, and sound, built to handle Australian conditions.
Key Features:
- Primary Size: 1 3/4″
- Outlet Size: 3″
- Design: 4-into-1 tuned extractors
- Compatibility: Holden HQ, HJ, HX, HZ, WB EFI 5.0L 304 V8 conversions
- Material: Stainless Steel
Technical Specifications
- Brand: Manta
- Part Number (SKU): FX-303
- System Type: Extractors
- Primary Size: 1 3/4″
- Outlet Size: 3″
- Configuration: 4-into-1 tuned
- Material: Stainless Steel
Vehicle Fitment Information
| Make | Model | Years | Body | Engine |
|---|---|---|---|---|
| Holden | HQ, HJ, HX, HZ, WB | 1971–1984 | Sedan, Ute, Wagon, Coupe | 5.0L 304 EFI Conversion |
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
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
4.1 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
The smell is wonderful
Size: 16 Fl Oz (Pack of 1)
This product smells really nice. Like clean fresh leather. My seats look nice. My dog had an accident all over the front of my seat and after cleaning thoroughly, this seemed to really help.
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Reviewed in the United States on May 21, 2026
★★★★★ 4
Chemical Guys Leather Quick Detailer for Car Interiors 32oz
Size: 32 Fl Oz (Pack of 1)
Reliable Quick Cleaner for Leather Interiors
I’ve been using the Chemical Guys Leather Quick Detailer on my car’s interior for a while now, and it’s become one of those go-to products I like to keep on hand. As the name suggests, this is designed for quick touch-ups rather than deep cleaning, and for that purpose, it really does the job well.
The first thing I noticed is how easy it is to use. A couple of sprays on the leather seats or steering wheel, a quick wipe with a microfiber cloth, and the surface instantly looks cleaner. It removes light dust, dirt, and fingerprints in seconds. Unlike some products I’ve tried in the past, it doesn’t leave behind a slick or greasy feel, which is important when you’re dealing with things like a steering wheel or gear shifter that you’re constantly touching. Instead, the finish is clean, soft, and natural-looking, which is exactly what I want.
The scent is another plus. It has a pleasant, subtle leather fragrance that makes the car smell fresh without being overwhelming or chemical-like. I don’t like products that leave behind a strong odor, and this one strikes the right balance.
Another strength is its versatility. While it’s marketed as a car interior detailer, I’ve found it works well on other small leather items, like a laptop bag or even a chair at home. Obviously, it’s not a replacement for a full leather conditioner, but for light upkeep it’s nice to have a single product that can handle more than just my car.
That said, there are a few things that keep this from being a perfect 5-star product. First, it’s definitely not designed for deep cleaning—if your leather is heavily soiled, stained, or dried out, this won’t be enough. You’d need a dedicated cleaner and conditioner for a full restoration. Second, the spray nozzle can be a bit inconsistent, sometimes giving off more of a stream than a fine mist. It’s not a huge issue, but it can waste product or make application less even if you’re not careful. Lastly, while it makes leather look clean and refreshed, it doesn’t provide as much conditioning as some other products, so if you’re looking for something that really nourishes and protects long term, this is more of a maintenance step than a solution.
Overall, though, I’m very satisfied. The Chemical Guys Leather Quick Detailer is perfect for keeping leather looking sharp between major cleanings. It’s fast, effective, and leaves behind a clean finish without unwanted residue. It saves me time and keeps my car interior looking well cared for, which is exactly what I want from a quick detailer.
I’d rate it 4 stars—an excellent product for regular maintenance and touch-ups, with just a few small shortcomings that prevent it from being the ultimate all-in-one leather care solution.
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Reviewed in the United States on September 9, 2025
★★★★★ 5
The smell is AMAZING!
Size: 16 Fl Oz (Pack of 1)
Our favorite cleaner and the smell is amazing!! Super functional and we use this on our leather couch too! Spray is nice and not too thick or watery. No stickiness or leftover residue. Instructions are clear and we will keep buying, it’s a great size and value for your money. You won’t regret it!
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Great leather cleaner
Size: 16 Fl Oz (Pack of 1)
Bought this because I accidentally got some sunscreen stains on my leather interior in my car. Just a quick spray of this and a wipe with a microfiber towel and the stains are gone! Very pleased with the product and would definitely recommend to anyone who is looking for a nice leather cleaner!
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Works as advertised and smells good
Size: 16 Fl Oz (Pack of 1)
My daughter and I went to the beach. She didn't put her cover up back on and got sunscreen on the black leather seats. This stuff worked great. Cleaned it off and hopefully protects for anything else headed towards my seats in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
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