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.