Current Lead Time: In stock and shipping immediately. Toyota GR Corolla Downpipe – High-Flow Catted & Catless Improve exhaust flow and sharpen turbo response with the GGP Toyota GR Corolla Downpipe for the 2023+ GR Corolla equipped with the 1.6L G16E-GTS turbo engine. The downpipe sits directly after the turbocharger, making it an important part of the exhaust path on a turbocharged setup. Replacing the factory unit with a freer-flowing design can reduce exhaust restriction, improve response, strengthen the midrange feel, and give the car a more aggressive exhaust note. This GGP downpipe is available in both high-flow catted and catless configurations so you can choose the setup that best matches how the car is used. Catted vs. Catless Option Best For What to Expect High-Flow Catted Street-oriented performance builds Improved flow while retaining a catalytic converter; more balanced for owners who do not want to go fully catless. Catless Off-road, race and competition builds Least exhaust restriction and a more aggressive exhaust character. Intended for off-road/competition use only. Key Features Stainless-steel construction TIG-welded design CNC-machined flanges for proper fitment Integrated flex section to help reduce stress and vibration Available in high-flow catted and catless configurations Designed for the 1.6L G16E-GTS-powered GR Corolla Vehicle Fitment 2023+ Toyota GR Corolla Core 2023+ Toyota GR Corolla Circuit Edition 2023+ Toyota GR Corolla Morizo Edition 1.6L G16E-GTS applications Tuning, CEL & Installation Tuning is highly recommended to get the most from a downpipe upgrade. A check-engine light may occur depending on the vehicle, calibration and downpipe configuration, so a CEL-free result is not guaranteed. Professional installation is recommended. The high-flow catted option can still affect emissions compliance depending on local law and vehicle configuration. The catless option is intended for off-road and competition use only. Why Choose the GGP Downpipe? This is a Grocery Getter Performance product for GR Corolla owners who want a straightforward choice between catted and catless configurations, solid construction, proper fitment and strong value. GGP supports the GR Corolla platform directly and can help customers choose the configuration that makes sense for their build.
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