Same mesh and cotton construction as K&N but a fraction of the price.
We've been using these for years with excellent results.
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2.8 injection filter box element
Injection cone filter - V8 Rover & Cosworth 24V
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The filter we use on our Cosworth conversions is rated at over 300 bhp You can make the adapter your self and the filter is less than £50
V8 Rover 3.5 and 3.9 injection Filters are the same size but fittings are slightly different. Both fit directly to air meter and are under £50
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The filters we use on our 2.9's will support over 300 bhp You may not need quite this much air flow but it does mean that a stock engine will be a lot more energetic.
2.9 twin filter adaptor kit Features 90mm filters with twice the capacity of a K&N 57i kit £140