SKU: 38504644781

Manta | 1 3/4″ 4-Into-1 Tuned Extractors with 3″ Outlets | Holden HQ HJ HX HZ WB 5.0L 304 EFI Conversion

Sale price$519.32 Regular price$577.02
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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

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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:
  1. 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
SKU: 38504644781

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Jason Duren
Bozeman, US
★★★★★ 5
Great Looking!
Size: 10 Wide, Color: Cognac
I absolutely love my Marc Joseph New York Men’s Hill Street shoes. The comfort is incredible, the style is sharp, and the hands‑free technology is honestly a game changer. Sliding them on without bending down feels like a small luxury every single day. I’m impressed enough that I’m already planning to purchase more pairs.
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Reviewed in the United States on February 12, 2026
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LL
Battle Creek, US
★★★★★ 3
pretty but did not fit me well
I personally found these hard to keep on my foot. I did like the look of them, and the heel height was nice (not too high, but also not a kitten heel). If you have a wider heel, they may be better suited for you. Pretty, classic, understated shoe.
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Reviewed in the United States on June 2, 2025
M
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M
Boise, US
★★★★★ 5
Comfortable and elegant
Size: 7, Color: Black
This has to be one of the most comfortable pairs I own!
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Reviewed in the United States on October 20, 2025
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Cassidy
Lexington, US
★★★★★ 3
Back Strap too Loose
Size: 8, Color: Platina
Pretty shoes, but the back strap felt so stretched out I couldn't really wear them. It would have been effort to walk in them.
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Reviewed in the United States on November 5, 2025
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mkhmmr
Massapequa, US
★★★★★ 5
Great office space divider without being suffocating
Color: Black, Size: 4' Wide x 6' Tall (Fluted)
This is a nice option for dividing up your office space. It's lightweight enough to be moved when needed, but large enough to create a sound and sight barrier between desks. The window design at the top also allows light through so that you don't like you are boxed in. Overall, this is a great office divider. It's well made, large enough to make a difference, and portable if you need to move it. And it does this without making you feel like you're in a box thanks to the fluted clear window at the top. It does the job I need it to.
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Reviewed in the United States on June 7, 2023

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