Unlock Peak Performance with Exhaust Downpipe Upgrades
A downpipe upgrade can go a long way in helping you achieve your desired engine output, so it ought to be on your list of must-have performance mods.
It's an integral component of the exhaust downpipe system, which not only enhances performance but also improves your car’s fuel economy. We at Car Mods Australia are here to meet all your turbo downpipe and exhaust system needs. We are a one-stop for automotive products of all kinds, catering to the needs of enthusiasts, downpipe car tuners/builders, and motorsport professionals.
A downpipe is the section of tubing that receives exhaust gases directly from your engine and channels them to your car’s exhaust system. Stock downpipes have catalytic converters, but aftermarket downpipes are available in catted or catless forms. Because it is directly connected to the exhaust side of an engine’s turbos, an aftermarket downpipe can significantly relieve an engine of back pressure.
Backpressure is the resistance or pressure buildup that counters the outward flow of exhaust gases. Aftermarket downpipes have bigger pipe diameters, less restrictive bends, and high-flow catalytic converters, so they channel higher volumes of exhaust gases out of your engine. In so doing, they reduce back pressure and help your engine to breathe better. Because of that, an aftermarket downpipe delivers more power and reduces fuel economy.
For even more significant power gains, order a catless downpipe. Our catless downpipes have test pipes instead of catalytic converters. Test pipes do not have the honeycomb insides of catalytic converters; they are just hollow pipes, so they eliminate back pressure even faster.
Downpipes also deliver deeper exhaust notes. This is especially so with catless downpipes because they transfer engine sounds to exhaust systems with less hindrance.
Exploring Downpipe Varieties
In the realm of car downpipes, understanding the nuances between stock and aftermarket downpipe options can significantly influence your vehicle's performance. An exhaust downpipe, simply put, is a pivotal bridge between your engine and the larger exhaust system.
While most cars come equipped with standard downpipes, many car enthusiasts and professionals are turning to aftermarket downpipes for an enhanced driving experience. These optimized channels not only increase efficiency but also provide a characteristic depth to your vehicle's sound.
If you ever find yourself asking, 'What is a downpipe exhaust?' or 'How can it redefine my vehicle’s performance?', just remember that these advanced conduits are the unsung heroes, ensuring that your car performs at its peak while resonating with a powerful roar.
Explore Our Range of Car Exhausts Downpipe and Cat Pipe in Australia
Car Mods Australia has aftermarket turbo downpipes for a wide range of Australian vehicles. Some downpipes we offer include bellmouth downpipes, divorced wastegate downpipes, and split bellmouth downpipes.
Our downpipes are CNC-machined to precise car model specifications, so they are guaranteed to fit the models for which they are produced. They are made from hardened, high-grade materials like 304 stainless steel or billet aluminum that can withstand intense pressure and extreme heat.
Our downpipes also come packaged with all the bolts and gaskets you will need to install them onto your vehicle. Also included are detailed installation instructions. If you need further guidance, call our modding specialists at (07) 5649 8778.
Frequently Asked Questions
How much horsepower can an aftermarket turbo down pipe add?
When matched with an ECU tune, an aftermarket downpipe car can realize output gains of even up to 40 hp, depending on your powertrain.
How long does a down pipe last?
Most steel and aluminium downpipes can last over 20 years.
Downpipe with Metallic Cat Kit - Brushed Stainless Steel (Stinger 17-21)
$841.50
$990.00
Catted Test Pipe (Fits Nissan 350Z Z33 07-09/370Z Z34/Infiniti G37 V36 07-15)
$1,199.00
Merge Pipe from Twin 2.5in to Single 3.5in - Stainless Steel
$28.05
$33.00
3.5in Turbo-Back Exhaust w/4in Dump (Falcon 08-16)
$1,785.00
$2,100.00
O2 Sensor Adaptor - Big Thread to Small Thread
$10.20
$12.00
3in to 4in Transition Pipe - Stainless Steel
$29.75
$35.00
4in Dump-Pipe and Cat Kit - Non-Polished Stainless (i30 N 18+)
$935.00
$1,100.00
O2 Sensor Extension Loom w/ Triangle Shape Plug Suits VF83 headers (VF GTS 13-17)
$50.15
$59.00
Turbo Exhaust Downpipe With Hi flow Catalytic Converter (WRX 22+)
$786.25
$925.00
3in Downpipe and Cat Kit - Stainless Steel (Focus 06-11)
$764.15
$899.00
60mm Test Pipe - Stainless Steel (Fits Nissan 350Z-370Z/Infiniti G37)
$499.00
2in to 2.5in Transition Pipe - Stainless Steel
$26.35
$31.00
Turbo Downpipe with high flow Cat Converter (1 Series 16-19/GR Supra 19+)
$548.25
$645.00
60mm Test Pipe No Cat (Fits Nissan 350Z/Skyline/Infiniti V35)
$499.00
Non-Polished Stainless Steel 2.5in Dump & Cat Kit (i30 17+/Cerato 19+)
$671.50
$790.00
Dump Pipe and Cat Kit - Stainless Steel (RS3 17-21)
$1,147.50
$1,350.00
4in Dump Pipe Kit - 304 Stainless Steel (AMG A45 13-18)
$1,122.00
$1,320.00







































































































