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Catalysts, Manifolds & Downpipes

Showing 24 of 765 items
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Jetex Universal High Flow Catalytic Converters
 
 
From £307.01 Ex VAT From £368.41 INC VAT
Finance available on baskets over £99
Milltek 2.75" Large Bore Downpipe With Hi-Flow Sports Cat
Was £587.04INC VAT
Save 11%
£440.00 Ex VAT £528.00 INC VAT
Finance available on baskets over £99
Piper 3" Downpipe With Hi-Flow Sports Cat
 
 
£510.21 Ex VAT £612.25 INC VAT
Finance available on baskets over £99
Milltek 2" 3-1 Free-Flow Exhaust Manifolds
Was £958.88INC VAT
Save 11%
£718.33 Ex VAT £862.00 INC VAT
Finance available on baskets over £99
Milltek 2.5" Large Bore Downpipe With De Cat
Was £238.96INC VAT
Save 11%
£179.17 Ex VAT £215.00 INC VAT
Finance available on baskets over £99
Milltek 3" Large Bore Downpipe With 200 Cell Race Cat
Was £852.00INC VAT
Save 10%
£639.17 Ex VAT £767.00 INC VAT
Finance available on baskets over £99
Milltek 3.15" Large Bore Downpipe With 200 Cell Race Cat
Was £846.00INC VAT
Save 10%
£635.00 Ex VAT £762.00 INC VAT
Finance available on baskets over £99
Milltek 3" Large Bore Downpipe With 200 Cell Race Cat
Was £733.14INC VAT
Save 11%
£549.17 Ex VAT £659.00 INC VAT
Finance available on baskets over £99
Scorpion Non-Resonated 2.75"  GPF Delete Pipe
Was £725.76INC VAT
Save 11%
£544.17 Ex VAT £653.00 INC VAT
Finance available on baskets over £99
Scorpion 3" Large Bore Downpipe With Hi-Flow Sports Cat
Was £617.40INC VAT
Save 11%
£462.50 Ex VAT £555.00 INC VAT
Finance available on baskets over £99
Cobra Sport 3" Front Pipe With 200 Cell Hi-Flow Sports Cat
Was £569.17INC VAT
Save 11%
£426.67 Ex VAT £512.00 INC VAT
Finance available on baskets over £99
Scorpion 2.5" Downpipe With Hi-Flow Sports Cat
Was £561.74INC VAT
Save 11%
£420.83 Ex VAT £505.00 INC VAT
Finance available on baskets over £99
Scorpion 2.75" Downpipe With De Cat
Was £183.74INC VAT
Save 11%
£137.50 Ex VAT £165.00 INC VAT
Finance available on baskets over £99
Scorpion 3" Downpipe With Hi-Flow Sports Cat
Was £539.66INC VAT
Save 11%
£404.17 Ex VAT £485.00 INC VAT
Finance available on baskets over £99
Piper 2.5" 4-2-1 Exhaust Manifold
 
 
£394.43 Ex VAT £473.32 INC VAT
Finance available on baskets over £99
Milltek 3" Large Bore Downpipe With De Cat With GPF Delete
Was £519.36INC VAT
Save 11%
£389.17 Ex VAT £467.00 INC VAT
Finance available on baskets over £99
Milltek 2.5" Secondary De Cat
Was £259.60INC VAT
Save 11%
£194.17 Ex VAT £233.00 INC VAT
Finance available on baskets over £99
Milltek 3" Large Bore Downpipe With De Cat
Was £453.95INC VAT
Save 11%
£340.00 Ex VAT £408.00 INC VAT
Finance available on baskets over £99
Scorpion 3" Downpipe With De Cat
Was £453.16INC VAT
Save 11%
£339.17 Ex VAT £407.00 INC VAT
Finance available on baskets over £99
Scorpion 2.5" Hi-Flow Sports Cat
Was £431.52INC VAT
Save 11%
£323.33 Ex VAT £388.00 INC VAT
Finance available on baskets over £99
Scorpion 3" Turbo Downpipe With De Cat
Was £388.26INC VAT
Save 11%
£290.83 Ex VAT £349.00 INC VAT
Finance available on baskets over £99
Milltek 2.76" Secondary De Cat Pipes
Was £348.00INC VAT
Save 10%
£261.66 Ex VAT £313.99 INC VAT
Finance available on baskets over £99
Milltek 3.15" Large Bore Downpipe With De Cat
Was £319.81INC VAT
Save 11%
£239.17 Ex VAT £287.00 INC VAT
Finance available on baskets over £99
Scorpion Resonated 3" GPF Delete Pipe
Was £315.00INC VAT
Save 11%
£235.83 Ex VAT £283.00 INC VAT
Finance available on baskets over £99
Showing 24 of 765 items
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As a rule, replacing the front section of your vehicle's exhaust has the biggest potential impact on performance. While replacing any section of your original exhaust with better performing pipework will yield some increase in performance, if this is downstream of more restrictive pipework at the front of the system it's always going to be limited by this somewhat.

Sports Catalysts replace your original restrictive catalytic converter with a higher performing cat made from higher end material. Downpipes connect the front pipework to the rest of the exhaust. On a turbocharged car, they sit directly behind the turbo and have a huge impact on potential performance.

A De-Cat Pipe replaces a catalytic converter with a straight through pipe. While this isn't legal for road use, it offers the least possible restriction to gas flowing through the exhaust system. A manifold connects directly to the engine block. This means it has a big impact on how the engine breathes and performs, particularly on a normally aspirated engine.

Generally, the original catalytic converter sits in this pipework and replacing it will normally require remapping the ECU to take advantage of the suddenly less restrictive pipework.