CROSS Exhaust Systems are made of lightweight stainless steel. Weighing in just between 22-29 lbs. these exhausts systems are the lightest stainless steel models on the market. Power to weight ratio is realized due to the massive weight savings that the exhaust offers. Also larger piping and thinner walls aid in power. Built utilizing the latest state-of-the-art equipment with larger diameter piping and smooth bends realize true power gains with a sportier exhaust tone.