BMW F10 M5 Downpipes

SUPERCIRCUIT Exhaust Pro Shop strives to provide high quality workmanship and up to date exhaust products for your tuning needs. The latest addition to our large collections of BMW downpipes is the catless downpipes developed for the high performance BMW F10 M5.

In the picture below is the BMW F10 M5 4.4L V8 (code S63) engine. The S63 is BMW's Motorsport division version of the N63 with two twin-scroll turbos for an impressive 553bhp and 680Nm of torque at peak as claimed by the manufacturer.

To access to the downpipes, first remove the engine cover and the heat shield under it (SEE BELOW PICTURES).

The two downpipes are removed from the BMW F10 M5 engine.

And these are the two outlets of the twin-scroll turbos of BMW F10 M5.

The factory stock downpipes of the BMW F10 M5 comes with a catalytic converter each, which is restrictive.

The SUPERCIRCUIT downpipes developed for the BMW F10 M5 are catless and are made with grade 304 mandrel bent stainless steel pipes, then hand welded by the master craftsmen here at the SuperCircuit Exhaust Pro Shop for excellent craftsmanship and optimum performance.

The SUPERCIRCUIT catless downpipe made for the BMW F10 M5 is designed for direct bolt-on and is fully compatible with the factory stock turbo outlets and catback exhaust system. 

These catless downpipes are ideal for ecu tuning or remapping needs. To purchase or for more information about the above SUPERCIRCUIT direct bolt-on catless downpipes made for the BMW F10 M5 S63B44T0 double twin-scroll turbocharged engine, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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Nissan 370Z Catback Exhaust Custom

Look no further if you are searching for top-notch exhaust customization service for your car. Here at SUPERCIRCUIT Exhaust Pro Shop, we provide exhaust customization service with high craftsmanship and top quality materials.

Here is the Nissan 370Z with our custom made cat-back exhaust system.

The exhaust customization job starts right after the Nissan 370Z downpipes and all the way back to the exhaust tips.

This catback exhaust system is made with grade 304 stainless steel mandrel bent and is fully TIG/Argon welded by the master craftsmen here at the SuperCircuit Exhaust Pro Shop's installation bays. All are made compatible with original exhaust system in mind, so the original exhaust components can be installed back in place without any further modification, cut or weld.

This is a one-off exhaust customization job made according to the customer's requirements in exhaust sound level and performance. The car has to be at our factory for such kind of exhaust custom mod.

Please visit us at SuperCircuit Exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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BMW E89 Z4 35i Downpipes

SUPERCIRCUIT has probably the largest collections of turbo downpipe in the country, even if the car model is not in our product list, it is still always be able to custom made with the car here at our factory.

There is a set of downpipes custom fabricated for the BMW E89 Z4 35i with N54B30 twin turbo.

The N54B30 inline 6-cylinder engine of the BMW E89 Z4 35i shown below and it has twin turbo.

The arrow below points to the factory stock downpipes which will be removed for a set of custom made catless downpipe hand made here at SuperCircuit Exhaust Pro Shop's factory.

One of the turbo outlet of the BMW E89 Z4 N54B30 twin turbo shown here. The other turbo outlet is just above it and not shown here.

A closer look at the turbo outlets of the BMW E89 Z4 35i twin turbo N54B30 engine.

The SUPERCIRCUIT catless downpipe is custom hand made for the BMW E89 Z4 35i featured here. Compared to the factory stock downpipes which are with high cell count catalytic converter, the SUPERCIRCUIT ones are catless and a lot less restrictive.

The SUPERCIRCUIT downpipes are installed to the BMW E89 Z4 35i and they are designed for direct bolt-on application, no weld or cut on the existing exhaust system.

All are hand crafted with grade 304 mandrel bent stainless steel pipes and fully TIG/Argon welded by the master craftsmen here at the SuperCircuit Exhaust Pro Shop. These catless downpipes are ideal for ecu tuning or remapping. 

The above downpipes are one-off custom hand made with the car here at our factory. To custom made any downpipe or for more information about the above BMW E89 Z4 35i custom made project, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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Audi Q7 V8 4.2 FSI Downpipes

SUPERCIRCUIT has probably the largest collection of turbo downpipes and catless downpipes in the country and here is one developed for the 1st generation Audi Q7 (Type 4L) 4.2L V8 FSI engine.

The below arrows shown where the turbo downpipes and secondary cat pipes are.

Both the factory stock downpipes and the secondary cat pipes are removed (SEE BELOW PICTURES). 

The below picture shows how the turbo outlet of the left bank looked like on the Audi Q7 4.2FSI V8 engine.

And this is the turbo outlet of the right bank.

The below pictures show both the SUPERCIRCUIT catless downpipe and catpipes vs. the Audi Q7 4.2 FSI V8 factory stock downpipes and catpipes which are with huge high cell-count catalytic converters.  

The SUPERCIRCUIT catless downpipes and cat pipes made for the Audi Q7 4.2 FSI V8 are fabricated with grade 304 mandrel bent stainless steel pipes and are fully TIG/Argon welded for optimum performance and durability.

More important is, they are fully plug 'n play. Direct bolt-on to the turbo outlets of the Audi Q7 4.2 FSI V8 engine and slipped onto the rest of the factory stock catback exhaust system. No cut and weld is required.

The left bank:

The right bank:

They are fully compatible with the Audi Q7 V8 4.2 FSI stock exhaust system as shown in the picture below.

This catless downpipe is ideal for ecu tuning or remapping. To purchase or for more information about the above SUPERCIRCUIT bolt-on catless downpipes and catpipes made for the 1st generation Audi Q7 4.2L V8 engine, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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Subaru Forester (SJ) 2.0XT Turbo Downpipe & Catpipe

The latest addition to the large collections of turbo downpipe here at the SuperCircuit Exhaust Pro Shop is downpipe made for the 4th generation Subaru Forester (SJ) and you can purchase off the shelf and installed straight away at our installation bays.

This is the Subaru Forester (SJ) 2.0XT version with the FA20 turbo charged flat-four engine.

Below pictures shows the view of the undercarriage after the factory stock downpipe is removed.

The factory stock downpipe of the Subaru Forester (SJ) 2.0XT vs. the SUPERCIRCUIT catless downpipe. The SUPERCIRCUIT downpipe is made with grade 304 mandrel bent stainless steel pipes and is fully TIG/Argon welded on CNC machined stainless steel turbo flange for direct bolt-on application.

The SUPERCIRCUIT downpipe made for the Forester SJ 2.0XT is free flow and is a lot less restrictive compared to the factory stock one which is usually comes with a very high cell count catalytic converter. This allows the turbo to spool faster and hence higher horsepower and torque can be achieved.

To further get rid of the restriction at the secondary catalytic converter, we custom made a free flow catpipe for this Subaru Forester 2.0XT. This custom made catpipe is also fabricated with grade 304 mandrel bent stainless steel pipes and TIG/Argon welded by the master craftsmen here at our factory.

Both the SUPERCIRCUIT ready made downpipe and custom made catpipe is designed for direct bolt-on, no weld or cut on the original exhaust system.

To purchase or for more information about the above SUPERCIRCUIT turbo downpipe made for the Subaru Forester 2.0XT (SJ) FA20 turbo charged flat-four engine, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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Subaru BRZ Headers & Over Pipe

We have just installed the equal-length SUPERCIRCUIT Headers & Over pipe kit to the Subaru BRZ. Here are the photos during the installation at the SuperCircuit Exhaust Pro Shop's installation bays:

This is how the Subaru BRZ's FA20 engine looks like after the factory stock headers are removed.

The Subaru BRZ stock original Headers and Over Pipe is laying side by side with the equal-length SUPERCIRCUIT catless Headers & Over pipe.

The SUPERCIRCUIT Subaru BRZ Headers + Over Pipe Kit is made with grade 304 mandrel bent stainless steel pipes and are fully TIG/Argon welded by the master craftsmen here at the SuperCircuit Exhaust Pro Shop for direct bolt-on application.

The SUPERCIRCUIT headers + over pipe kit made for the Subaru BRZ is designed for direct bolt-on application, no modification is required during the installation, for better and non-restrictive exhaust flow. Since it is catless, the O2 sensor deflouler/ mini cat might be required to avoid the CEL issue in some countries.

The SUPERCIRCUIT Headers + Over Pipe kit is installed to the Subaru BRZ's FA20 engine as shown in the pictures below.

The kit is also fully compatible with the factory stock catback exhaust system as show below.

To purchase or for more information about the above SUPERCIRCUIT Catless Headers + Over Pipe Kit made for the Subaru BRZ FA20 engine, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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