Unleash your 1JZ’s performance and true sound with the Kurts JZ Customs JZX110 / JZS171 Downpipe (With Removable Catalytic Converter - Please Select 100-Cell or 200-Cell Optioned Catalytic Converter Below)

*Made to Order - Ships Within 7–10 Days ETA*

Engineered for JZ enthusiasts who demand quality, precision and results.

This downpipe replaces the factory Catalytic Converter Section. Removes all restrictive sections, allowing your turbo to breathe freely for quicker spool, stronger midrange torque and a sharper throttle response. Each unit is hand-fabricated and TIG-welded to ensure perfect fitment and long-term durability under heat and boost.

This unit retains the factory O2 Sensor Port for OEM compatibility.

+ Optional Additional Wideband Bung (With Sensor Port Blanking Plug) - Ready when you add an additional sensor. Eg, Wideband A/F Ratio Sensor, Lambda, Exhaust Gas Temp Sensor, Etc. 

Features:

• 🔧 Direct Bolt-on Fitment for JZX110 / JZS171 1JZ-GTE VVTI (Mark II / Crown / Verossa)

• 💨 High-flow Design for smooth, unrestricted flow

• 🧱 Solid Construction - heat and corrosion resistant

• 🔩 CNC-cut Flanges To ensure the perfect seal, correct fitment and easy installation. 

• 🏁 Handmade in Australia by Kurt Atzmuller from Kurts JZ Customs – Tested on real JZ builds, not just in theory.

Fitment:

✅ Toyota Crown JZS171 (1JZ-GTE VVTI)
✅ Toyota Crown JZS171W (1JZ-GTE VVTI)
✅ Toyota Mark II JZX110 (1JZ-GTE VVTI)
✅ Toyota Verossa JZX110 (1JZ-GTE VVTI)

⚠️ Disclaimer: For off-road use only. This downpipe includes a removable high-flow 100-cell or 200-cell catalytic converter. Check our other listings for a version without a catalytic converter or a non-removeable cat section, and always confirm local rules and regulations before installation.