Best selling products

****DISCONTINUED***** DESCRIPTION COBB would like to introduce its new and improved Nissan GTR R35 Downpipes with cast bellmouth! These high-flow, mandrel-bent, 304-stainless downpipes are a direct OEM replacement and will bolt up to the stock exhaust system or aftermarket systems...

DESCRIPTION The LM-2 combines an air/fuel ratio meter, a full-function 32-channel datalogger, and powerful software to deliver a complete tuning workshop for less than the cost of one dyno day. Whether you have a piggy-back fuel controller, race carb, aftermarket...

DESCRIPTION TUNING REQUIRED!! Please download the appropriate Off The Shelf Map for your vehicle or contact your Protuner in order to safely utilize this part! The COBB 3-Port Boost Solenoid is an excellent upgrade for modern turbocharged vehicles, enabling precise...

CSF RACE, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps. Get it all...

CSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps. Get it all from...

DESCRIPTION Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen which allows you to monitor up to six parameters in real time. Fully customizable from the look (multiple bezel...

FLEX FUEL DESCRIPTION A complete plug and play solution enabling users to convert their supported Subaru WRX or STI to a Flex Fuel configuration. This is the easiest to use and most sophisticated Flex Fuel Package on the market. Utilizing...

* Confirmed fitment for CVT/AUTO only DESCRIPTION Invidia Down Pipe suit STI Catless MY15 The Invidia Catted Downpipe features a Open Mouth Bellmouth with a 100cell Cat at the base of the down pipe for maximum flow. Designed in Australia...

DESCRIPTION For a strong boost in power, the Invidia Down Pipe offers an alternative to other power-boosting enhancements. Each Invidia Down pipe features a large 4-in stainless-steel bellmount to enhance power by freeing excess gas. It sports a one -piece...

DESCRIPTION The Invidia Q300 Cat Back Exhaust System is one of the more popular exhaust systems due to the performance, and price. This exhaust features high quality SUS304 fabrication with CNC-machined flanges, and manufactured with a high polished finish. This...

DESCRIPTION For a good balance of price and performance, Invidia Exhaust is constructed with high-quality SUS304 stainless steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-bent stainless steel piping for maximum exhaust flow and reduced back...

DESCRIPTION Newest line-up of Invidia Premium exhaust systems, full Titanium exhaust systems developed for the serious trackday or full-on racer, with our extensive R&D team of engineers and a long racing heritage these are exhaust are produced with only 1 thing...