super fast shipping
G-Sport engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full G-Sport lineup with fast shipping and expert fitment support — order with confidence.
For the most demanding builds, the GESI G-Sport GEN2 400 CPSI Substrate is the ultimate choice. Rated for engines producing up to 1,000 horsepower, this substrate-only unit provides the necessary emission control for high-output track and street vehicles. With a larger 5-inch by 4-inch footprint, it offers increased surface area for filtration, ensuring that even at extreme power levels, your exhaust remains compliant with EPA standards.
This substrate is built for those who refuse to compromise. Whether you are building a dedicated drag car that needs to stay street-legal or a high-end street machine, this component provides the reliability and performance you demand. The 5-inch by 4-inch size is specifically chosen to handle the massive exhaust volume produced by 1,000HP engines without creating a bottleneck. Ensure your high-performance build is both powerful and responsible with premium components from GGCRACING.
Other popular G-Sport products customers consider together:
G-Sport engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full G-Sport lineup with fast shipping and expert fitment support — order with confidence.
For the most demanding builds, the GESI G-Sport GEN2 400 CPSI Substrate is the ultimate choice. Rated for engines producing up to 1,000 horsepower, this substrate-only unit provides the necessary emission control for high-output track and street vehicles. With a larger 5-inch by 4-inch footprint, it offers increased surface area for filtration, ensuring that even at extreme power levels, your exhaust remains compliant with EPA standards.
This substrate is built for those who refuse to compromise. Whether you are building a dedicated drag car that needs to stay street-legal or a high-end street machine, this component provides the reliability and performance you demand. The 5-inch by 4-inch size is specifically chosen to handle the massive exhaust volume produced by 1,000HP engines without creating a bottleneck. Ensure your high-performance build is both powerful and responsible with premium components from GGCRACING.
Other popular G-Sport products customers consider together: