Tucool Racing 180° Full Return Silicone U-Bend Coupler Hose - Complete Flow Reversal, 4-Ply Reinforced, 5mm Wall, 304SS T-Bolt Clamps Size:ID 2.25" (57mm) or any other flat surface

or any other flat surface and takes up little space

or even for tailpipes

Universal Basic replacement

1 * TUCOOL RACING KDIAG User Manual

12 Pie Units make a 180 degree (which you will have to weld your self)

Tucool Racing 180° Full Return Silicone U-Bend Coupler Hose - Complete Flow Reversal, 4-Ply Reinforced, 5mm Wall, 304SS T-Bolt Clamps Size:ID 2.25" (57mm) or any other flat surfaceProduct Description Key Features & Specifications: Heavy Duty Construction: 4 ply polyester reinforced silicone with 5mm wall thickness (0. 5mm tolerance) for superior strength and flexibility. High Pressure Rated: Burst pressure up to 2 MPa; working pressure range 0. 30. 9 MPa (43. 5130. 5 PSI). Extreme Temperature Range: Reliable performance from 60C ( 140F) to +230C (+428F). Secure Seal: Includes 304 stainless steel T bolt clamps for vibration