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The GR Corolla is the hottest hot hatch on the market right now. Its 1.6L three-cylinder turbo motor shared with the GR Yaris is an engineering marvel and offers plenty of room for growth. Pairing that with the all-wheel-drive system, great suspension, and stiff chassis, you have one serious competitor.
The GR Corolla quickly took the tuning world by storm with aftermarket companies eager to support it. With tuning being readily available due to previous development on GR Yaris, there was a huge demand for a performance intercooler right from the get go. CSF teamed up with Jackson Racing to offer the most advanced and efficient intercooler on the market. Moto IQ recently conducted their independent testing on the intercooler and said it was “The BEST Performing Intercooler We’ve Ever Tested”.
Available in Black (8285B) for a stealthy performance look and Silver (8285) for a more OEM look or to just show a bit more through the grille.
CSF and Jackson Racing have long and successful track records with Toyota Performance Products. While the OE Intercooler for the GR Corolla is actually quite efficient and a good design, there is always room for improvement. Using advanced 3D Scanning along with advanced CAD and CFD software, the engineering teams were able to maximize the size of the intercooler while maintaining optimal flow and greatly increasing efficiency.
The stepped core design increases the overall volume of the intercooler core by 45% and the surface area by 73%. The step core allows for maximum surface area and volume but utilizing all the available space without requiring the bumper or any core supports to be modified or cut. The tanks were carefully engineered to optimize flow through the lower and upper cores resulting in incredible smooth and even flow with maximum heat transfer.
Each Intercooler kit includes motorsport grade hoses and clamps designed specifically to hold up to high boost. High grade 5-ply silicone construction makes the hoses incredibly strong and have a matte black finish for a more stealthy performance look. The clamps are a unique new design that incorporates a bead lock system to help hold up to extremely high boost.
These hoses step up from the factory 1.85in (47mm) diameter to a larger 2.5in (63.5mm) diameter to match the Intercoolers large inlet and outlet. They connect to the factory charge pipes but can be replaced down the line if you want to upgrade your turbo, charge pipes, etc.
CSF has become very well known for offering multiple finishes because everyone has different tastes. The intercooler is available in a Black (#8285B) finish for those looking for a more stealthy look behind the grill. The Silver (#8285) finish has a more OEM look, but is also more visible through the front grille.
The performance of the OE Tube & Fin Intercooler is actually quite impressive. It is able to drop charge air temps by almost 150°F which is quite good for even some aftermarket performance intercoolers. The main drawback of the factory unit is how quickly it heat soaks. Post cooler charge air temps can quickly climb by 60°F. The limited surface area really hampers the overall cooling capacity here.
The CSF x Jackson Racing Intercooler features a High-Performance Tube & Fin core. This type of core was selected both for the cooling efficiency, but also for the lighter weight characteristics when compared to Bar & Plate construction. A lighter weight intercooler helps keep excess weight off the front end, keeping the agile handling characteristics of the GR Corolla. The stepped core design gives the CSF x Jackson Racing unit a 45% larger core volume and 73% more surface area than the OE cooler.
The TIG-Welded Cast Aluminum end tanks increase the overall strength of the intercooler. This improves durability and longevity so you can be confident it will hold up to hard driving conditions. The CSF x Jackson Racing Intercooler mounts in the factory location and requires no modifications to the bumper or crash bar. The OEM ducting does requiring trimming to be used. This ducting helps guide air into the upper stepped core.
| Feature | CSF | OEM |
|---|---|---|
| # Cooling Tubes | 15 | 9 |
| # Cooling Fin Rows | 16 | 10 |
| Fin Height | 8.5mm (bottom) & 7.5mm (top) | 7.9mm |
| Core Thickness | 86mm (bottom) & 40mm (top) | 80mm |
| Core Material | Aluminum | Aluminum |
| Tank Material | Aluminum | Plastic & Aluminum |
| Construction | 100% TIG Welded | Crimp on Gasket |
Testing was performed at World Motorsports in Torrance, CA with the help of Moto IQ . The OEM intercooler was run first to establish a baseline. You can see the OEM intercooler reaches heat soak relatively quickly (about 3 pulls). Performance was fairly impressive for an OEM intercooler, able to drop the charge air temperatures approximately 150ºF.
The CSF x Jackson Racing Intercooler just blew the factory system out of the water though. Charge air temperatures were reduced by more than 240ºF. That’s 90ºF more than the OEM intercooler. This resulted in much lower Intake Air Temperatures (IATs) and that were just a few degrees over ambient. On top of that, heat soak took twice as long to set in. Even when heat soaked, the charge air temperatures remained around 60ºF cooler than that of the factory intercooler.
You can watch the full video below of Mike Kojima (Moto IQ Editor in Chief) discussing the performance and quality of the intercooler kit.
CSF
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CSF
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...
