Manufactured from T304 grade polished stainless steel
Mandrel bent and fully TIG welded for strength and durability
Mandrel bent and fully TIG welded for strength and durability
Direct replacement for the original manifold – comes with gaskets and bolts
Removes the restrictive catalytic converter
New

Gravity Decat Exhaust Manifold – Vauxhall Opel Astra SIgnum Vectra 1.8

£192.99 inc VAT (£160.83 + VAT)

Manufactured from T304 grade polished stainless steel

Mandrel bent and fully TIG welded for strength and durability

Removes the restrictive catalytic converter

Direct replacement for the original manifold – comes with gaskets and bolts

Greatly improves gas flow over the original manifold setup with this 4-1 solution

Available on back-order

Estimated delivery by 22/07/2026

Please note: This is a pre order item and will only be sent once the item is back in stock

Currently awaiting an ETA

SKU: Gravity/ZZ01719-LF Category: Brand:

More Information

Product Information

  • Vauxhall/Opel Astra H Z16XER Z18XER 2004+
  • Vauxhall/Opel Zafira B Z16XER Z18XER 2005+
  • Vauxhall/Opel Vectra C Z18XER 2002+
  • Vauxhall/Opel Signum Z18XER 2002+

Fitments

  • Manufactured from T304 grade polished stainless steel
  • Mandrel bent and fully TIG welded for strength and durability
  • Removes the restrictive catalytic converter
  • Direct replacement for the original manifold – comes with gaskets and bolts
  • Greatly improves gas flow over the original manifold setup with this 4-1 solution
Weight 5 kg
Collector Bore (mm)

60

Branch Bore’s (mm)

40

Sensor Ports

1

Gaskets

2

Bolts

3

Tech Specs

Specification

Category Decats
Brand Gravity
MPN

ZZ01719-LF

Ratings