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Performance Downpipes

A downpipe connects the turbo exit to the catalytic converter. By installing a performance downpipe alone you can look at an increase of 10-20 HP. Not only are they made from a higher quality material which features mandrel bending & they are usually larger in diameter which allows more exhaust flow. Since your turbo is essentially a pump its important to have the pipes entering and exiting it free from restriction. In our inventory you will find we carry two different styles of downpipes, off-road downpipes and catted downpipes. Catted downpipes work with your catalytic converter so you wont have to worry about emissions. Off-road downpipes work without the catalytic converter. Sport Compact Warehouse is your premier source for performance downpipes. Contact one of our representatives with any questions you have and we will help you make a more informative decision for your vehicle .

A downpipe directs the exhaust gases from your vehicle 's turbine housing into your exhaust system. The downpipe bolts right to the turbine housing. It is instrumental in moving the exhaust gases through the system as efficiently as possible.

The average downpipe has at least one restrictive catalytic converter. These do an excellent job of cleaning exhaust gases as they are produced. The only issue is their restrictive aspect. They cause you to lose power, and likely part of the reason you’re buying a high-end car like a Mercedes is the power that comes with it.Another aspect of the typical sports car exhaust system that you’ll likely notice is mandrel bending. This is where a steel rod is inserted into bent tubing, so there is no wrinkling or breaking at the bend point.

A downpipe is put in place because it allows the turbo aspect of the engine to be more effective. The downpipe steers gases away from the turbine, creating more uninterrupted power. When you get out on a straightaway and open up your Mercedes, or a similar vehicle, you’ll feel the difference.

Aftermarket downpipes usually feature wider capacities, and they are less restrictive than the stock option. This increase in diameter allows for greater space for a faster turbo spin.


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ARP 120-1401
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ARP 120-1401 12-Point Header Stud Kit for Buick V8

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$64.61

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$56.18

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ARP 144-1102
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ARP 1441102 Black Oxide Hex Header Bolts

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$25.89

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$22.51

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ARP 245-1301
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ARP 245-1301 12-Point Exhaust Stud Kit for Chrysler KB

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$109.04

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$94.82

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ARP 400-1102
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ARP 4001102 Head Stud & Bolt

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$37.57

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$32.67

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ARP 400-1202
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ARP 400-1202 S/S HEADER BOLT KIT -

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$37.54

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$32.64

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ARP 400-1403
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ARP 4001403 Header Studs With 12-Point Nuts, Polished Stainless Steel, Set Of 16, For Select Chevrolet Big Block Engines

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$184.87

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$160.76

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ARP 444-1202
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ARP 444-1202 Mopar 340-360 SS 12pt header bolt kit

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$32.72

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$28.45

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BBK 1809
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BBK 1809 High Flow Downpipe w/High Flow Catalytic Converter

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$574.99

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$499.99

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FLOWMASTER 17220
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FLOWMASTER 17220 Turbo Downpipe and Crossover Kit No Mufflers, Pipes Only

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$233.39

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$202.95

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MISHIMOTO MMDP-CAM4-16CAT
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MISHIMOTO MMDP-CAM4-16CAT Exhaust Manifold Down Pipe

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$576.87

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$501.63

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MISHIMOTO MMDP-FIST-14CAT
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MISHIMOTO MMDP-FIST-14CAT Downpipe w/ Cat

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$655.17

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$569.71

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MISHIMOTO MMDP-MUS4-15CAT
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MISHIMOTO MMDP-MUS4-15CAT Downpipe

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$697.36

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$606.40

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MISHIMOTO MMDP-WRX-15CAT
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MISHIMOTO MMDP-WRX-15CAT Downpipe

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$890.23

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$774.11

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MISHIMOTO MMDP-WRX-15CVTCAT
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MISHIMOTO MMDP-WRX-15CVTCAT Downpipe

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$890.23

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$774.11

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TURBO XS EVOX-FP
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TURBO XS EVOX-FP Downpipe

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$228.75

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$198.91

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TURBO XS W15-FPC
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TURBO XS W15-FPC Downpipe w/ Highflow Cat

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$691.52

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$601.32

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GrimmSpeed 007008
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GrimmSpeed 007008 J-Pipe Hardware Kit

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$50.90

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In Stock - 150 New In Stock

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GrimmSpeed 007060
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GrimmSpeed 007060 Downpipe Catted Limited Edition

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$759.00

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GrimmSpeed 007082
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GrimmSpeed 007082 Downpipe Catted

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$739.00

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GrimmSpeed 007091
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GrimmSpeed 007091 Downpipe Catted

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$739.00

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In Stock - 101 New In Stock

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GrimmSpeed 007092
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GrimmSpeed 007092 Downpipe Catted w/ Black Ceramic Coating

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$839.00

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GrimmSpeed 007097
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GrimmSpeed 007097 Downpipe Catted Limited Edition

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$759.00

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In Stock - 59 New In Stock

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GrimmSpeed 007098
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GrimmSpeed 007098 Downpipe Catted Limited Edition w/ Black Ceramic Coating

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$859.00

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GrimmSpeed 007103
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GrimmSpeed 007103 J-Pipe Catted

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$829.00

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GrimmSpeed 020040
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GrimmSpeed 020040 GrimmSpeed Multi-Layer Exhaust Gaskets Set for WRX STI FXT LGT "See Detail"

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$99.08

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In Stock - 25 New In Stock