Exhaust Header for Toyota Corolla Matrix Scion iM xD (2009-2019) 1.8L

High-Flow Performance Exhaust Header for 2009-2019 Toyota,Scion Corolla,Matrix,iM,xD

What it Does: The Performance Exhaust Header replaces the restrictive factory exhaust manifold on 2009-2019 Toyota and Scion 1.8L applications to decrease backpressure, enhance exhaust gas scavenging, and sharpen throttle response.

The Stock Toyota,Scion Corolla,Matrix,iM,xD Manifold Inefficiency

The factory cast manifold on the 1.8L 2ZR-FE and 2ZR-FAE powerplants is engineered with short, unequal runners and tight internal radiuses. These restrictive channels impede velocity and cause exhaust pulse interference across adjacent exhaust ports. Over recurring thermal cycles, OEM cast iron manifolds often suffer from micro-fracturing and flange warpage, creating persistent exhaust leaks, degrading O2 sensor readouts, and choking mid-to-high RPM performance.

The Engineering Solution

Constructed from polished stainless steel, this 4-into-1 performance header features smooth, mandrel-bent primary tubing that maintains consistent inner diameter to eliminate flow turbulence. By equalizing runner paths, it synchronizes cylinder pulse timing and generates an effective vacuum scavenging effect at the collector. Thick, precision-machined mounting flanges prevent heat-induced distortion, and integrated OEM-spec oxygen sensor bungs retain precise engine management feedback loops under heavy load.

Technical Specifications

Compatibility

• 2009-2019 Toyota Corolla 1.8L (E140, E170)
• 2009-2014 Toyota Matrix 1.8L (E140)
• 2016 Scion iM 1.8L (E170)
• 2017-2018 Toyota Corolla iM 1.8L (E170)
• 2009-2014 Scion xD 1.8L (XP110)

Frequently Asked Questions

Does this fit the E140 and E170 Corolla,Matrix,iM,xD?
Yes, this is a direct fit for the 2009-2019 Toyota,Scion Corolla,Matrix,iM,xD equipped with the 2ZR-FE and 2ZR-FAE 1.8L engine.

Will this exhaust header trigger a Check Engine Light (CEL)?
Pre-welded O2 sensor bungs accommodate factory sensors, but maintaining proper emissions compliance requires secondary cat retention or ECU recalibration.

The Toyota,Scion Performance Standard

Engineered for high-revving 4-cylinder sport compacts, this header delivers durable resistance against extreme heat cycling while unlocking free-flowing exhaust harmonics and consistent power across the powerband.