Lisslune | O2 Sensor Extension Adapter with Mini Catalytic Converter
-
Free Shipping
-
30-Day Return Policy
-
50% OFF
New Women's Body Measurements Size Chart
All measurements in cm.
| EU Size | Size (EU) | UK Size | Bust (cm) | Waist (cm) | Hips (cm) | Shoulder (cm) |
|---|---|---|---|---|---|---|
| 32 | XXS | 4 | 75–80 | 56–61 | 81–86 | 36.5 |
| 34 | XS | 6 | 81–87 | 62–67 | 87–92 | 37.25 |
| 36 | S | 8 | 88–93 | 68–73 | 93–99 | 38 |
| 38 | M | 10 | 94–101 | 74–83 | 100–109 | 38.75 |
| 40 | L | 12 | 102–109 | 84–94 | 110–119 | 39.5 |
| 42 | XL | 14 | 110–119 | 95–105 | 120–129 | 40.3 |
| 44 | XXL | 16 | 120–129 | 106–117 | 130–139 | 42.5 |
| 46 | 3XL | 18 | 130–139 | 118–129 | 140–149 | 43 |
New Men's Body Measurements Size Chart
All measurements in cm.
| EU Size | Size (EU) | UK Size | Chest (cm) | Waist (cm) | Hips (cm) | Shoulder (cm) |
|---|---|---|---|---|---|---|
| 46 | S | 36 | 93–97 | 81–87 | 92–97 | 42.3 |
| 48 | M | 38 | 98–102 | 82–88 | 98–104 | 44.3 |
| 50 | L | 40 | 103–111 | 89–99 | 105–110 | 46.3 |
| 52 | XL | 42 | 112–121 | 100–110 | 111–116 | 47.3 |
| 54 | XXL | 44 | 122–131 | 111–121 | 117–124 | 48.3 |
| 56 | 3XL | 46 | 132–141 | 122–123 | 125–132 | 49.3 |
Eliminate the Check Engine Light with the Vehicle Oxygen O2 Sensor Adapter
This O₂ Sensor Adapter is designed specifically for cars with customized or altered exhaust systems, ensuring more accurate readings after the sensor. With a built-in mini catalytic converter, it enhances exhaust flow for accurate sensor feedback in special configurations such as off-road or racing environments.

Reliable Functionality with an Integrated Mini Catalytic Converter
This adapter differentiates itself from regular extensions by incorporating a mini catalytic converter, which improves exhaust flow and stabilizes O₂ sensor performance. It reduces the chances of inaccurate readings that could result from modified exhaust systems.

Durable Stainless Steel Construction
Constructed from premium SS304 stainless steel and featuring a corrosion-resistant filter mesh, this adapter ensures longevity and robustness. Its rust-proof and wear-resistant design guarantees reliable performance even in challenging driving conditions, giving you peace of mind with every journey.

Product Specifications
- Material: High-quality SS304 stainless steel with a mesh filter
- Thread Size: M18 × 1.5
- Weight: 0.088 lbs
- Feature: Integrated mini catalytic converter
- Usage: For off-road use only
What's Included
- 1 × Vehicle Oxygen O2 Sensor Adapter
Frequently Asked Questions
Q: What causes the check engine light to activate after exhaust modifications?
A: Modifications or removal of the catalytic converter may lead to erratic readings at the post-O2 sensor, resulting in codes like P0420 and P0430. This adapter is intended to stabilize those readings to prevent such problems.
Q: Is this adapter compatible with all vehicles?
A: It is compatible with most vehicles that have M18×1.5 O2 sensor fittings, though compatibility can vary. Always check the thread size before installation.
Q: Is professional installation needed for this product?
A: Not at all; installation is simple and does not require any tools—just screw it into the existing O2 sensor port.
Q: Can this adapter be used on public roads?
A: No, it is intended solely for off-road or racing applications and does not meet on-road emissions standards.
Q: Will it permanently deactivate the check engine light?
A: It aids in maintaining stable sensor readings in altered exhaust systems, but it does not disable other diagnostic functions of your vehicle's ECU.
If you have any questions about our products or your order, please send an email to support@lisslune.com. Our customer service team typically responds quickly!
Returns to Canada
All returns must be sent to our warehouse in Canada:
Warehouse Dock 51400 Parkhurst Square #1
Brampton, ON L6T 5H5
Canada
Please note: We do NOT offer free returns on this product
You must return this product to the original seller at your own expense.