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Wednesday, August 5, 2020

Reduce Intake Air Temperatures (IAT) with Koyorad's new all-aluminum high-performance front mount heat exchanger for the 15-20 BMW F8X: M3, M4, and M2 Competition. Our high-density core is 33% thicker than the OEM heat exchanger core, yet was specifically designed with a slimmer profile than most competitors to have minimal impact to the airflow through to the radiator behind it.  This heat exchanger retains 100% of the OEM style mounts and hoses, with CNC machined billet components and quick connect fittings requiring no modifications.



  • 100% Plug and Play, no modifications or cutting necessary
  • OEM style CNC billet quick-connect inlet and outlet provisions
  • 2 Row, high density 36mm thick, 49 tube (OEM 37 tube) Hyper Core
  • Lightweight heat exchanger upgrade, resulting in minimal stress on the plastic OEM heat exchanger mounts
  • 33% increase in core thickness over OEM heat exchanger core with minimal airflow restriction to the radiator
  • NFLO Dual Pass Technology
  • All aluminum construction, high polished finish, TIG welded and furnace brazed
  • Triple pressure tested during manufacturing process

Part #



  • 15-20 BMW M3 and M4 (F80 F82 F83)
  • 19-20 BMW M2 Competition (F87)



Heat Exchanger: OEM equivalent: 17112284608

Friday, April 24, 2020

Koyorad is proud to introduce an improved lightweight performance radiator for the 1988-1991 Honda Civic/CRX swapped with B-Series engines.  Koyorad has engineered this TIG welded, all-aluminum radiator with 43% less weight than Koyorad’s original R-Core version, yet remains 56% thicker than the factory radiator, resulting in improved performance while cutting unnecessary weight. Koyorad’s high density Hypercore boosts the vehicle’s heat capacity and endurance while replacing aged factory radiators for improved tank strength and durability.  OEM mounting provisions have been retained for an easy installation and can be used with factory fans, and accepts the larger 32mm B-Series radiator hoses.  Koyorad’s advanced engineering and design methods, impeccable TIG welds, proficient furnace brazing techniques, and triple pressure testing for quality has earned their excellent reputation in performance cooling worldwide.

’88-’91 Honda Civic /CRX EF Chassis with B-Series, manual transmission

32mm inlet/outlet hoses for B-Series engines, Manual Transmission only.


• 43% lighter than Koyorad R Series Core
• High Density 25mm Hypercore
• 56% thicker core than OEM radiator
• Compatible with B-Series 32mm Radiator hoses
• Slim core profile benefits: OEM traction bar clearance, space for additional heat exchangers, cleaner look
• All-aluminum, furnace brazed, and TIG welded construction
• Triple Pressure tested


Now in stock

Thursday, April 9, 2020

As an essential part of the automotive supply chain, Koyorad remains fully operational and is committed to providing our high quality products and services to our distributors during this difficult time.  For any assistance, contact our offices or your sales representative directly.

Monday, April 6, 2020

New Product Announcement
All-Aluminum Radiator
2000-2005 Toyota MR2 Spyder Manual Transmission Only

Koyorad is proud to re-introduce an improved all-aluminum performance radiator for the 2000-2005 Toyota MR2 Spyder with manual transmissions.  This radiator features a 36mm high density Hypercore for improved efficiency and over the twice the thickness over the stock OEM radiator.  A densely stacked tube and fin core arrangement boosts the cooling system’s endurance and heat capacity under harsh track use.  The all-aluminum fully brazed radiator construction replaces aged factory radiators with brittle plastic tanks for improved seam strength and durability.
  Factory fans, AC condenser, OEM radiator hoses and mounting provisions are retained and requires no modifications to install.  Koyorad’s advanced engineering and design methods, impeccable TIG welds, proficiency in furnace brazing, and triple pressure testing for quality has earned their excellent reputation in performance cooling worldwide.



·         36mm High Density Hyper Core

·         All-aluminum construction

·         TIG Welded and furnace brazed construction

·         Billet aluminum drain plug

·         Compatible with OEM fans, hoses and mounting provisions

·         Strategically placed thermal reliefs allow core resiliency after heat cycling

·         Triple pressure tested during manufacturing process

Part #




’00-‘05 Toyota MR2 Spyder 1.8L I4 MT



Manual Transmission only





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