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Tested! AS Performance TFSi 2.0 Induction kit, 15 bhp gain on Rolling road testing
Tested! AS Performance TFSi 2.0 Induction kit, 15 bhp gain on Rolling road testing
Rolling tested!! Airtec stage2 intercooler tested on 650bhp Focus RS Mk2
Rolling tested!! Airtec stage2 intercooler tested on 650bhp Focus RS Mk2
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Performance Exhaust Upgrades

Displaying 1 - 15 of 21 Product(s):
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Exhaust blowing? Missing downpipe bolts due to performance increases? Stage 8 Locking bolts has the answer to all these problems, their effective active mechanical locking systems prevent even a single degree of fastener loosening rotation 'No more missing bolts'

AS performance MIL Light cheater.

With a de-cat or sports cat you could run the risk of having an engine light turn on. With the Auto Specialists MIL light cheater this will solve the problem.

 

AS Performance Focus MK2 ST Downpipe.
 
AS Performance Downpipe includes :
Downpipe, Gaskets, Bolts
Made to a high quality standard and all tubing is finished in brushed stainless steel.
 

AS Performance de-cat.

Allows exhaust gases to flow much faster, More power!

Expect more popping & deeper aggresive exhaust sound. Gain 10bhp + (depends on spec of your car)

 

£110.00
AS Performance Focus MK2 ST Downpipe & De-cat package.
 
The kit includes, AS Perofmance high quality decat and downpipe, Gaskets and bolts.
Made to a high quality standard and all tubing is finished in brushed stainless steel.
 
 
£259.00

This Cobra Sport exhaust is made with T304 grade stainless steel, mandrel bent and Tig welded which will allow a smooth flow to maximize power gains.

This part is made in 3"/76.2mm bore pipework and fits from the turbo to the catalyst section.

Part No: FD26

This Cobra Sport exhaust is made with T304 grade stainless steel, mandrel bent and Tig welded which will allow a smooth flow to maximize power gains.

This part is made in 3"/76.2mm bore pipework and fits from the front pipe to the centre section.

Part no: FD27

This Cobra Sport exhaust is made with T304 grade stainless steel, mandrel bent and Tig welded which will allow a smooth flow to maximize power gains.

This part is made in 3"/76.2mm bore pipework and fits from the front pipe to the centre section.

Part No: FD31

 

Please note, this exhaust has no rear box and is extremley LOUD! LOTS OF POPS AND BANGS

Free UK shipping

 

Cobra Venom Cat Back- Focus ST

Part no: FD24 

£542.70

This Cobra Sport exhaust is made with T304 grade stainless steel, mandrel bent and Tig welded which will allow a smooth flow to maximize power gains.

These parts are made in 3"/76.2mm pipework and fit from the catalytic converter section backwards (Cat-back) these parts replace the centre and rear sections.

 

£606.04

This Cobra Sport exhaust is made with T304 grade stainless steel, mandrel bent and Tig welded which will allow a smooth flow to maximize power gains.

These parts are made in 3"/76.2mm pipework and fit from the catalytic converter section backwards (Cat Back) these parts replace the centre and rear sections.

 

£529.11

Free set of downpipe locking bolts when purchased with 3 inch downpipe worth £47.99

 

Expect more popping & deeper aggresive exhaust sound from your Focus ST Mk2

Free UK shipping

 

Sports Cats give you Performance without compromise, by fitting a Sports cat your car will still pass MOT's and keeps engine management lights off on re-mapped cars

 

Focus ST Mk2 Mongoose Cat Back System

High quality T304 stainless steel aftermarket performance exhausts with Mongoose’s lifetime guarantee.

£527.99