We have many combinations of radius and tube diameter to suit professional exhaust builders, fab shops and racers alike. These cast aluminum elbows are great for tight-radius setups, such as those needed on intercoolers and turbo outlets. The ends are beaded to prevent couplers from coming loose under high boost pressures. BenefitsHigh quality cast aluminum wont crack ApplicationsUniversal Whats In The Box?(1) 90-degree Cast Aluminum Elbow