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Details about  2.5" 100CPSI VENOM Holden Bolt on High Flow Cat VL VN VP VR VS V6 V8

2.5" 100CPSI VENOM Holden Bolt on High Flow Cat VL VN VP VR VS V6 V8

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AU $220.00
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Item location:
Melbourne, Victoria, Australia
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Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Compatible Makes: Holden
Makes that the part fits: Holden



VENOM EXHAUST WORKS would like to introduce their bolt on range of High Flow Cats to suit Holden Commodores. This Bolt-on unit comprises of a 4" Body Cat (2.5" in/out) with a 100CPSI substrate for uncompromised flow. It will bolt up to all of the above models where the cat is in the factory position with 2.5" Pipework.
The High Flow Cat on this piece is also our latest design where the metallic substrate, as well as being welded to the casing, is also welded along the inner edges for extra strength, helping to prevent core substrate shift. The cat is also made from 304 Grade Stainless for long lasting durability and comes complete with all gaskets and bolts.
Total cost for the Bolt on Holden Cat is $220 including delivery anywhere in Australia via EXPRESS POST.
All Venom Cats also come with a 2 year warranty from time of purchase
We will not be beaten on Price, Quality and Service!!!
If you have any questions regarding the product, payment or delivery, don’t hesitate to send me a message and I will do my best to help you out.


About Us

Venom Exhaust Works is an Australian owned business specialising in the manufacture of high flow catalytic converters. Our product range has been designed to cater for all types of vehicles and performance requirements, with inlet/outlet sizes ranging from 2.25” to 4”, body sizes from 4” to 5” and also 100, 200 and 400 CPSI specifications.

If we don’t have the cat or size you’re looking for or you need a Catalytic Converter for a custom application, we can custom make any Cat according to the inlet/outlet size, body size, substrate specs and length you’re after!!


 Why choose a Venom High Flow Cat?

All OEM catalytic converters are made from a ceramic substrate and usually incorporate a 400 CPSI (Cells Per Square Inch) design. Factory cats are designed purely with the intention to reduce the toxicity of exhaust emissions, but from a performance perspective, they act as a block in the exhaust system, hindering flow and robbing horsepower. This is especially prevalent in newer vehicles which have to comply with tighter emissions standards and motors with forced induction.

It is illegal to remove and run with no catalytic converter in Australia. The solution.......fit a High Flow Venom Cat!!

All of the Venom High Flow Cats are constructed from 304 Grade S/S and feature a substrate which is fully welded around the inner edges, helping to increase strength and prevent core substrate shift. Unlike factory cats which run a ceramic internal substrate, the Venom Cats are constructed with a metal core substrate which offers many advantages.

·         Firstly, is its ability to withstand higher operating temperatures, meaning less chance of a substrate meltdown, which is a very important consideration in High Horsepower Turbocharged applications.


·         Secondly, ceramic is brittle in nature, and a metallic core sports a much stronger structure  making it less prone to cracking on impact. This is important as on a vast majority of vehicles the catalytic converter has a close contact point with the road surface and in some cars it represents the lowest point. This becomes even more of an issue with cars that are running lowered springs. Metal core cats do not crack on impact like their ceramic counterparts and can withstand much more abuse. 


·         Finally, the Metallic substrate can support higher flowing configurations compared to Ceramic Cats as they are limited to just  400CPSI. This is because the Ceramics strength and integrity is compromised even further with larger spaced holes in the substrate. Our highest flowing 100 CPSI design means that the internal holes of the cats are 4 times the size of most standard or Ceramic High Flow Cats, as shown in the pictures above.



Payment Policy

  • Paypal, Bank Deposit and Cash on Pickup are the only accepted methods of Payment
  • Payment is required within 5 days of purchasing the item

Shipping Policy

  • Free Registered Post on all Catalytic Converters around Australia
  • Items will be sent ASAP once payment is received
  • Items purchased and paid for before 9am will be shipped the same day
  • Postage can take up to 4-5 Business days depending on your location

Returns Policy

  • This Item is Brand New
  • Actual Images of item are shown above
  • Items can be returned within 14 days if you do not want the item anymore or you have changed your mind. This only applies if the item hasnt been used and the buyer is to pay for the return postage.
  • All cats come with a 2 year warranty covering all aspects of the product. If something does happen during the warranty period, send the cat back to us and we will provide you with a brand new one free of charge, and also reimburse you with any postage costs. Customer Satisfaction is our number one priority!!!


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Seller assumes all responsibility for this listing.

Postage and handling

Item location: Melbourne, Victoria, Australia
Posting to: Australia

Return policy

Item must be returned within
Refund will be given as
14 days after the buyer receives it
Money Back
The buyer is responsible for return postage costs.

Refunds by law: In Australia, consumers have a legal right to obtain a refund from a business for goods purchased if the goods are faulty, not fit for purpose or don't match description. More information at returns - opens in a new window or tab.

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