Martelius R1 Header for AE86 Corolla

Regular price $785.00

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The Martelius R1 Header is the ultimate solution for race-ready AE86 Corollas, offering unmatched performance and reliability for left-hand drive racecars. Handcrafted by Martelius Exhaust Systems, this manifold is meticulously engineered to deliver maximum power and efficiency for the most demanding racing environments.


  • Hand welded and assembled by Martelius for exceptional quality and craftsmanship.
  • Constructed from AISI409 stainless steel for durability and corrosion resistance.
  • Designed to fit both 16v and 20v cylinder heads, ensuring compatibility with a wide range of high-output 4AGE engines.
  • Unique odd cylinder pairing design optimized for high-output racing performance.
  • Efficient 4-2-1 design with tubing diameter ranging from 41.5mm to 63.5mm, maximizing exhaust flow and scavenging efficiency.
  • Includes a catalytic converter flange for added versatility and compatibility with racing regulations.


  • Manifold Type: R1 Header
  • Material: AISI409 Stainless Steel
  • Compatibility: High-output 16v and 20v 4AGE engines
  • Tubing Diameter: 41.5mm - 50.8mm - 63.5mm
  • Recommended Camshaft Duration: 290º or higher
  • Intended Use: Race use only


The Martelius R1 Header is engineered with precision and expertise to extract the maximum performance potential from high-output 4AGE engines. Its unique design and optimized tubing diameter enhance exhaust flow and scavenging efficiency, resulting in significant horsepower and torque gains across the RPM range. Paired with individual throttle bodies or racing carburetors, this manifold delivers uncompromising performance on the race track.


  • Martelius R1 Header
  • All necessary mounting hardware


The Martelius R1 Header is specifically designed for left-hand drive AE86 Corollas equipped with highly tuned 4AGE engines. It is compatible with both 16v and 20v cylinder heads, providing a perfect fit and seamless integration with your racing setup. Please note that this manifold will not clear power steering pumps or racks.