Exhaust Header for Hyundai Genesis (2010-2016) 3.8L

High-Flow Performance Exhaust Header for 2010-2016 Hyundai Genesis

What it Does: The Performance Exhaust Header replaces the restrictive factory cast iron manifolds on the 2010-2016 Hyundai Genesis Coupe to eliminate exhaust gas backpressure, accelerate flow velocity, and optimize cylinder evacuation across the powerband.

The Stock Hyundai Genesis Exhaust Manifold Bottleneck

Factory exhaust manifolds on the BK chassis equipped with the Lambda II 3.8L V6 utilize dense, heavy cast construction with short, abrupt radii and narrow log-style merge collectors. This design forces exhaust pulses from opposing cylinders into violent collision, causing backpressure reversion, localized heat soak, and restricted exhaust gas velocity above 4,500 RPM. The uneven primary runners leave residual combusted gases inside the chambers, hindering volumetric efficiency and raising combustion temperatures.

The Engineering Solution

This header assembly addresses factory flow restrictions by incorporating mandrel-bent stainless steel primary tubes engineered for uniform runner length and smooth interior flow paths. Finished in a resilient black thermal coating, the assembly isolates heat to lower engine bay temperatures while preserving exhaust pulse velocity. Thick, laser-cut mounting flanges resist thermal warpage and maintain flat mating surfaces against the cylinder heads under high thermal expansion cycles. Precision-engineered merge collectors equalize scavenging pressures across all cylinders, reducing pumping losses and maximizing engine breathing efficiency.

Technical Specifications

Compatibility

• 2010-2016 Hyundai Genesis Coupe 3.8L V6 (Base, Track, R-Spec, Grand Touring, Ultimate)

Frequently Asked Questions

Does this fit the BK Genesis?
Yes, this is a direct fit for the 2010-2016 Hyundai Genesis Coupe equipped with the Lambda II 3.8L V6 engine.

Is an ECU tune required after installing this header assembly?
While the vehicle will operate on factory fuel trims, a custom ECU calibration is recommended to correct air-fuel ratios and extract maximum performance from the increased scavenging efficiency.

The Hyundai Performance Caliber

Engineered for high-revving naturally aspirated applications, this header kit delivers the aggressive acoustic profile, structural durability, and sustained flow capacity required for demanding track and spirited rear-wheel-drive street driving.