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ITG Megaflow Air Filters

Handmade in Britain and race-proven, the ITG Megaflow range delivers maximum airflow and filtration for classic and performance carburettors. Choose your frame style below, then find the internal height to suit your engine bay.

Sausage / Domed
Standard / Straight-Sided
Sausage / Domed Megaflow Filters
Available in two frame colours at the same price — Red Frame (standard part number) or Black Frame (B suffix). Click any part number to view the product.
JC20

JC20 Sausage Megaflow Filter

Single Carburettor
Red FrameBlack FrameDescriptionRRP
JC20/S/25JC20/S/25B25mm Internal Height£125.00
JC20/S/40JC20/S/40B40mm Internal Height£91.00
JC20/S/65JC20/S/65B65mm Internal Height£94.50
JC20/S/100JC20/S/100B100mm Internal Height£100.00
JC20/S/125JC20/S/125B125mm Internal Height£136.50
JC30

JC30 Sausage Megaflow Filter

Single Carburettor
Red FrameBlack FrameDescriptionRRP
JC30/S/25JC30/S/25B25mm Internal Height£136.50
JC30/S/40JC30/S/40B40mm Internal Height£102.00
JC30/S/65JC30/S/65B65mm Internal Height£109.00
JC30/S/100JC30/S/100B100mm Internal Height£115.50
JC30/S/125JC30/S/125B125mm Internal Height£123.00
JC40

JC40 Sausage Megaflow Filter

Small Twin Carburettors
Red FrameBlack FrameDescriptionRRP
JC40/S/25JC40/S/25B25mm Internal Height£170.00
JC40/S/40JC40/S/40B40mm Internal Height£121.00
JC40/S/65JC40/S/65B65mm Internal Height£127.00
JC40/S/100JC40/S/100B100mm Internal Height£134.50
JC40/S/125JC40/S/125B125mm Internal Height£141.00
JC50

JC50 Sausage Megaflow Filter

Large Twin Carburettors
Red FrameBlack FrameDescriptionRRP
JC50/S/25JC50/S/25B25mm Internal Height£177.50
JC50/S/40JC50/S/40B40mm Internal Height£136.50
JC50/S/65JC50/S/65B65mm Internal Height£141.00
JC50/S/100JC50/S/100B100mm Internal Height£146.00
JC50/S/125JC50/S/125B125mm Internal Height£150.00
JC55

JC55 Sausage Megaflow Filter

Large Twin Carburettors
Red FrameBlack FrameDescriptionRRP
JC55/S/25JC55/S/25B25mm Internal Height£273.00
JC55/S/40JC55/S/40B40mm Internal Height£198.50
JC55/S/65JC55/S/65B65mm Internal Height£205.00
JC55/S/100JC55/S/100B100mm Internal Height£210.00
JC55/S/125JC55/S/125B125mm Internal Height£215.50
JC90S

JC90S Sausage Megaflow Filter

Filter Pair for Porsche 911 with Weber IDA3C
Part No.DescriptionRRP
JC90SBSausage Filter & Baseplate for Weber IDA3C (Pair)£342.00
JC90SBFSausage Filter Only – please specify side for logo orientation (e.g. Nearside Filter)£134.50
JC100

JC100 Sausage Megaflow Filter

Large Twin Carburettors
Red FrameBlack FrameDescriptionRRP
JC100/S/40JC100/S/40B40mm Internal Height£215.50
JC100/S/65JC100/S/65B65mm Internal Height£220.50
JC100/S/100JC100/S/100B100mm Internal Height£227.00
JC100/S/125JC100/S/125B125mm Internal Height£233.00
Domed Racing Filter Assemblies
JC70

JC70 Megaflow Filter

Domed Racing Filter Assembly (503×135 – 75mm Int. Height)
Part No.DescriptionRRP
JC70Racing Filter complete with Aluminium Baseplate£238.50
JC70FJC70 Racing Filter Only£213.00
JC70BPBlank Baseplate for JC70 Racing Filter£28.50
JC71

JC71 Megaflow Filter

Domed Frame Racing Filter Assembly (451×135 – 75mm Int. Height)
Part No.DescriptionRRP
JC71Racing Filter complete with Aluminium Baseplate£238.50
JC71FJC71 Racing Filter Only£213.00
JC71BPBlank Baseplate for JC71 Racing Filter£28.50

Complete your setup — add the matching baseplate

Every Megaflow carburettor filter mounts to a baseplate matched to your carburettor. Choose your filter above, then add the correct baseplate from the same JC series (a JC50 filter takes a JC50 baseplate, and so on).

Browse Baseplates
Standard / Straight-Sided Megaflow Filters
Available in two frame colours at the same price — Red Frame
JC10

JC10 Megaflow Filter

Formula Ford / F2 Stock Cars
Part No.DescriptionRRP
JC10Formula Ford Megaflow Air Filter complete with fitting kit£96.50
JC10RFormula Ford Megaflow Air Filter complete with fitting kit (+50mm height)£102.00
JC10FJC10 Air Filter Only (No Fitting Kit)£80.00
JC10RFJC10R Air Filter Only (No Fitting Kit)£85.00
JC10KITSBFitting Kit for JC10 & JC10R Air Filter£37.00
JC20

JC20 Megaflow Filter

Single Small Carburettor (Straight Sided)
Red FrameBlack FrameDescriptionRRP
JC20/25JC20/25B25mm Internal Height£64.00
JC20/40JC20/40B40mm Internal Height£63.50
JC20/65JC20/65B65mm Internal Height£72.50
JC20/100JC20/100B100mm Internal Height£78.00
JC20/125JC20/125B125mm Internal Height£82.00
JC30

JC30 Megaflow Filter

Single Carburettor (Straight Sided)
Red FrameBlack FrameDescriptionRRP
JC30/25JC30/25B25mm Internal Height£95.50
JC30/40JC30/40B40mm Internal Height£102.00
JC30/65JC30/65B65mm Internal Height£109.00
JC30/100JC30/100B100mm Internal Height£115.50
JC30/125JC30/125B125mm Internal Height£123.00
JC40

JC40 Megaflow Filter

Small Twin Carburettors (Straight Sided)
Red FrameBlack FrameDescriptionRRP
JC40/25JC40/25B25mm Internal Height£113.50
JC40/40JC40/40B40mm Internal Height£121.00
JC40/65JC40/65B65mm Internal Height£127.00
JC40/100JC40/100B100mm Internal Height£134.50
JC40/125JC40/125B125mm Internal Height£141.00
JC50

JC50 Megaflow Filter

Large Twin Carburettors (Straight Sided)
Red FrameBlack FrameDescriptionRRP
JC50/25JC50/25B25mm Internal Height£127.00
JC50/40JC50/40B40mm Internal Height£136.50
JC50/65JC50/65B65mm Internal Height£141.00
JC50/100JC50/100B100mm Internal Height£146.00
JC50/125JC50/125B125mm Internal Height£150.00
JC55

JC55 Megaflow Filter

Large Twin Carburettors (Straight Sided)
Red FrameBlack FrameDescriptionRRP
JC55/25JC55/25B25mm Internal Height£233.00
JC55/40JC55/40B40mm Internal Height£235.50
JC55/65JC55/65B65mm Internal Height£242.50
JC55/100JC55/100B100mm Internal Height£250.00
JC55/125JC55/125B125mm Internal Height£255.00
JC90

JC90 Megaflow Filter

Filter Pair for Porsche 911 with Weber IDA3C (Straight Sided)
Part No.DescriptionRRP
JC90Filter & Baseplate for Weber IDA3C (Pair)£340.00
JC90FFilter Only – please specify side for logo orientation (e.g. Nearside Filter)£134.50
JC100

JC100 Megaflow Filter

Multi Carburettor Setups (Straight Sided)
Red FrameBlack FrameDescriptionRRP
JC100/25JC100/25B25mm Internal Height£243.50
JC100/40JC100/40B40mm Internal Height£250.00
JC100/65JC100/65B65mm Internal Height£255.00
JC100/100JC100/100B100mm Internal Height£261.50
JC100/125JC100/125B125mm Internal Height£267.00
Accessories
JCO

Megaflow Oversocks

For use in dusty conditions (for Straight Sided filters)
Part No.DescriptionRRP
JCO-10Oversock for JC10 Megaflow Filter£37.00
JCO-10ROversock for JC10R Megaflow Filter£39.00
JCO-20Oversock for JC20 Megaflow Filter£39.00
JCO-30Oversock for JC30 Megaflow Filter£46.00
JCO-40Oversock for JC40 Megaflow Filter£54.50
JCO-50Oversock for JC50 Megaflow Filter£56.50
JCO-55Oversock for JC55 Megaflow Filter£80.00
JCO-100Oversock for JC100 Megaflow Filter£85.00

Complete your setup — add the matching baseplate

Every Megaflow carburettor filter mounts to a baseplate matched to your carburettor. Choose your filter above, then add the correct baseplate from the same JC series (a JC50 filter takes a JC50 baseplate, and so on).

Browse Baseplates
For any filter height between the intervals stated, or for custom applications, please contact technical@itgairfilters.com