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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4.8 ★★★★★
Based on 8 reviews
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A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 4
Nice
Size: CB-M03H
Could be a bigger one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
E
Verified Purchase
Eric
Carnegie, US
★★★★★ 5
These hog out the hole nicely
Size: CB-M03H
These hog out the hole nicely
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
M
Verified Purchase
Michael R.
Omaha, US
★★★★★ 5
Very nice product.
Size: CB-003
Haven’t needed to use it yet, but it is definitely a quality product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
M
Verified Purchase
M. M. C.
Phoenix, US
★★★★★ 5
It works
Size: CB-M03H
I use it on a power tool as regular drill bits seem to not work to well with the plugs. They leak air. Doing it by hand is to hard
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Reviewed in the United States on June 20, 2025
K
Verified Purchase
Kirk T.
Draper, US
★★★★★ 1
Doesn’t Cut Steel Belts in Tires
Size: CB-M03H
Doesn’t cut steel belts in tires to facilitate repair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2025

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