Tein Street Advance Z Coilover Suspension Kit - Civic EK4 Front Pipes & Downpipes Tomei's SR20DET turbo elbow utilizes

Tomei's SR20DET turbo elbow utilizes a large internal diameter to best optimize the exhaust gas flow and reduce exhaust pressure substantially

The result is increased high rpm range output and improved medium to low torque

Our engineers spent months fine-tuning this design in an attempt to squeak out every last bit of performance

Resistors are included with the LED Front Indicators to ensure that they flash at the correct speed

Tein Street Advance Z Coilover Suspension Kit - Civic EK4 Front Pipes & Downpipes Tomei's SR20DET turbo elbow utilizesMuch like Tein Street Basis, Street Advance utilises a twin tube system and has adjustable lowering spring seats allowing you to adjust ride height. Unlike Street Basis, it also features adjustable damping force, allowing you to effectively change your handling characteristics. Compared to mono tube suspension, Street Basis is twin tube, meaning it attains a longer stroke with a smaller repulsive force, resulting in excellent high ride comfort.