T304 aircraft-quality stainless steel construction ensures durability and corrosion resistance for demanding track environments
Dyno-tested for up to 25% horsepower and torque gains, delivering real performance improvements
Fully TIG-welded, one-piece 3 into 1 collector retains OEM O2 sensors for seamless tuning and monitoring
Mandrel-bent, 3/8 inch thick lasercut and CNC machined flanges provide secure, leak-free installation
Installs with OEM compression gaskets for a leak-free seal and easy fitment
Summarized by Shop
Get an increase in exhaust flow and gain additional HP. Manufactured in the USA from T304 aircraft quality stainless steel. Backed by a Limited Lifetime Warranty to the original purchaser. Race-tested and designed for maximum power. Performance: We've included the dyno chart of '07 328i race car. This car has 160,000 miles. We made multip