XAT LS400 Test Pipes UCF10 89-94 95-97 Celsior Decat SC400 early UCF20 BOTH
Please note due to draconian laws, we are not able to ship these cat deletes to a California address. Please support the RPM act. Either pipe size choice can bolt on to a stock exhaust! Price includes both test pipes.
In house custom made bolt on UZ decat test pipes!
Confirmed fitments:
- 1989-1994 early LS400
- 1995-1997 zenki USDM UCF20 cars (95-97 non-VVTi with the 4 speed auto)
- 1991-1994 SC400
- Likely to fit other UZ cars. Most likely do not fit California spec emissions cars, and definitely do not fit JDM Soarers.
Features:
- 3" stainless steel piping
- Stainless flanges
- Both pipes included
- 100% bolt on!
- Optional hardware includes 4 zinc coated grade 10.9 bolts and serrated nuts for the outlet, OEM Toyota hardware for the inlet as pictured.
These are for off-road use only and are not meant for any on-road vehicles. Buyer is responsible for obeying all laws, local and federal. This are purely for testing to see if your cat has failed and is clogged.
You may get a check engine light/MIL/CEL code with these. Gaskets not included. We often use high temp gasket maker like Permatex ultra copper, ultra black, etc. as replacement gaskets. Made in the USA!
- Shipping info
We deliver worldwide
- Payment methods

- ManufacturerXAT Racing
- Outlet FlangeFactory 2 bolt (fits aftermarket exhausts too), Custom exhaust, v-band flanges
- Replacement HardwareYes, outlet nuts/bolts, Yes, inlet AND outlet nuts/bolts, No, I will reuse my old hardware
- Piping Size3 inch, 2.5 inch
- Safety & Compliance
- Prop 65 Yes/NoYes
- Fitment
- Fitment TypeVehicle Specific
| Make | Model | Year | Submodel | Notes |
|---|---|---|---|---|
| Toyota/Lexus | Lexus LS/Celsior | 1989-1994 UCF10/11 LS400/Celsior | 1UZ-FE 4.0 V8 non-VVTi | |
| Toyota/Lexus | Lexus LS/Celsior | 1995-1997 UCF20/21 LS400/Celsior | 1UZ-FE 4.0 V8 non-VVTi | |
| Toyota/Lexus | Lexus SC/Soarer | 1991-2000 Z30 | 1UZ-FE non-VVTi 4.0 V8 (92-97) UZZ30/31/32 |
Most product ships from either the manufacture or largest wholesale location to pass the saving to you. Most orders will ship via UPS, as we will be able to provide the best rates and have had the least issues when using UPS.
IF YOU DO NOT LIKE THE AUTOMATED SHIPPING CALCULATOR'S RATES, PLEASE CONTACT US AND WE CAN GET YOU A BETTER ONE! Especially for anyone outside the USA, please contact us with a list of parts you'd like to order, and where you are located.




















