High-temperature stainless steel cones have fully radiused edges that smooths out the power curve for improved engine response, especially low-end torqueGenerates correct levels of backpressure for increased horsepowerFit most stock and aftermarket exhaust systems fit 1-3/4''-2'' i.d. exhaust pipesVortex design increases back pressure, improving torque and horsepowerMade in the USA
https://shopping.truda.io/product/torque-cones
High-temperature stainless steel cones have fully radiused edges that smooths out the power curve for improved engine response, especially low-end tor