PERFORMANCE STAGE ONE KIT HS4/HIF38 1275
C-STN18

£241.79 exc vat

£290.15 inc vat

In stockIn stock
This kit includes top quality items inlet and exhaust manifolds, RC40, K&N filter element, all gaskets required and a correct new needle for spring biased HIF38 or HS4 1.5"carbs only. See C-STN18B for same kit but with centre exit exhaust. For HIF6(HIF44) carbs see C-STN18A for correct kit as this needs a 100 thou tube jet needle.

Always get your car rolling roaad tested for best ignition/timing and emmissions after fitment.

£241.79 exc vat

£290.15 inc vat

In stockIn stock

Recommended usage 1 x C-STN18 to fit one mini.

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Always get your car rolling roaad tested for best ignition/timing and emmissions after fitment.

Kit contained products

The stock air cleaner housing for many Minis with single 1 1/2" SU carbs have historically been stuck with the paper filter. New from K&N is a replacement element for FZX3013 and all HIF that provides the benefits of K&N cleanable filtra...

Complete mounting kit for the RC40 exhaust. Includes all new rubber mounts, brackets and clamps.

Gasket for an HS4-carb and manifold .Sold seperately and order as required for your car(usually 3).

Manifold gasket fitted to all A series pre 1992 except Turbo which had a reinforced exhaust ports GUG704063MG and SPI from 199. From 1991 on a new better gasket with reinforced exhaust ports and backing was fitted GUG704053MG

This plug fits our inlet manifolds and Rover types with servo take off holes..

5/8 UNF grub screw that use 8mm allen key for blanking inlet servo take off or temp transmitter hole at front of pre 1996 cylinder heads. Can also use ADP210

Maniflow's tubular reproduction of the original Cooper 997/998cc exhaust manifold manufactured out of the same tubing as the STD bore LCB. This free flow manifold works vey well at lower speed pick up, the LCB is noisier but better at the top end of ...

Original RC40 downpipe. This pipe is the correct length to fit the rear twin box RC40 system to the original Cooper and "S" range of manifolds or the replacement C-STR816 Freeflow manifold. If fitting to an LCB ...

Mini Spares genuine RC40 system has justifiably earned the reputation of the best exhaust ever made for the Mini. Mild steel with stainless steel tailpipe. Typically used with an LCB manifold it gives great performance with a mellow soun...

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Rear RC-40 twin box system to fit catalyst for cars built late 1991 on SPI(not early carb coopers). It has the hanger rods fited for mounting onto the rubber type straps. This makes it a twin box system with a little throatier pleasing note, but a mu...

LCB pipe for RC40 twin box.

This pipe is the correct length when using our range of standard bore LCB

such as C-AEG364 & C-AEG365.

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The long wheel base of the Mini Van, Wagon and Pick-up means the popular RC-40 exhaust comes up a little short! This system from Maniflow (pipes, resonator and muffler), is made for the long bodies. It has the same great flow characteristics of the ...

Special reinforced gasket for injection cars has metal inserts on exhaust ports plus a metal back on the manifold side which makes surface easier to clean when replacing. Often used on Turbo cars when correct gasket is in short supply.


...

This 5/8unf steel hexagonal head blanking plug was made for the inlet manifolds where the servo union can be fitted, plus blanking off the thermal transmitter hole under the thermostat. Uses 1B3664 washer ----------please note this will ...

Original RC40 downpipe. This pipe is the correct length to fit the rear twin box RC40 system to the original Cooper and "S" range of manifolds or the replacement C-STR816 Freeflow manifold. If fitting to an LCB ...

LONG CENTRE BRANCH EXHAUST MANIFOLD FOR FUEL INJECTED CARS WITH A SENSOR TAKE OFF in main LCB body, THIS IS FOR USE WHEN THE CATALYST IS BEING REMOVED AND A RC40 EXHAUST IS BEING FITTED. If the catalyst is to be retained use [link]C-AEG3...

The very rear bobbin type mounting rubber on every mini made until the introduction of a rubber hanger strap in 1992. When the RC40 or similar systems are fitted, 2 will be required.

See C-19G3258 for larger upgrade...

The intake/exhaust manifold should be secured to the head with brass nuts and these very thick washers. These washers are intended to not only spread the clamping action but the thickness allows them to absorb the heat without deforming! Takes 4 per ...

1.75" bore twin box, centre exit exhaust system. This exhaust system by Maniflow is straighter and louder than the RC-40. Very high quality with a skid plate on the bottom of the muffler and a polished stainless tip.

Locating rings originally made for 12G295 heads with twin carbs to line up the inlet manifold to the inlet ports on the cylinder head it found its way on most twin carb factory produced cars. There is a recess in the inlet port on the he...

Manifold gasket fitted to all A series pre 1992 except Turbo which had a reinforced exhaust ports GUG704063MG and SPI from 199. From 1991 on a new better gasket with reinforced exhaust ports and backing was fitted GUG704053MG

This bracket bolts on the gearbox and attaches to the exhaust front downpipe clip GEX7053.

Copy of the original Cooper single rear box downpipe, this fits our freeflow manifold or can be shortened to fit an LCB when fitting the single rear box C-STR809 RC40 silencer.

A 3" longer version suitable for van/e...

Complete mounting kit for the RC40 exhaust. Includes all new rubber mounts, brackets and clamps.

Rear RC40 mild steel silencer with stainless steel tailpipe. Can be used as a single box system with down pipe number AN180V for a little throatier note.

Cars with catalyst use with AN181T for 1275 Coo...

If you wish to delete the catalyst (legal restrictions apply, so check to see if you are allowed) this pipe is specially made to replace it.

Metal gasket for the catalyst and is the same both ends for Cooper 1275CC RSP early cars, but only fitted on the front to later cars. If you cannot fit this gasket on the rear your car does not need one.