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

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  • 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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Freddo R
San Leandro, US
★★★★★ 5
Worth the Price!
Size: 8.5 Wide, Color: Brown
It’s really worth my money for this shoes. The style & quality look good! Fitting is perfect & true to size. I’m satisfied w/ my purchase. Many thanks, Amazon.
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Reviewed in the United States on December 15, 2025
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Gary
Lexington, US
★★★★★ 4
7 months after purchase
Size: 8.5 Wide, Color: Black
7 months after purchase. Still look good. Very comfortable right out of box. Outside edges of heels chipped away almost right away. Never seen that before. Brittle/ bad choice of rubber or design? Leather upper still looks pretty good with a little polish. Rubber soles wearing very well.
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Reviewed in the United States on May 6, 2025
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Verified Purchase
Santosh
Draper, US
★★★★★ 5
Good quality and beautifull
Size: 10, Color: Cognac
i never put an revieuw. but i cam here to leave my revieuw for shis shoe. Florsheim Men's, Rucci Plain Toe Chukka Boot is the best Floesheim shoe i ever had, i was afraid to buy it because i life in south amarica en its expensive. but it amazing, very soft inside and true size. i would defenitly buy an black on. and it not heavy, feels light on the feet. i hope you will have the same experience.
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Reviewed in the United States on June 1, 2026
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Verified Purchase
theaugustus
Boise, US
★★★★★ 5
Buy 1/2 size down
Size: 11, Color: Black
Great, nice cushion, sleek design, heel looks really durable
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Reviewed in the United States on September 14, 2025
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Diego 97
Chelsea, US
★★★★★ 5
Espectacular
Size: 8.5, Color: Cognac
Excelentes zapatos súper bonitos y color perfecto
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Reviewed in the United States on April 9, 2026

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