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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Overall Length [mm] | 317 mm |
| One-sided/Double-sided | BD |
| Connector Length [mm] | 70 mm |
| Specification | Interlock |
| Outer Diameter Flex Element [mm] | 72 mm |
| Length of flex element [mm] | 177 mm |
| Outer Diameter of Connection [mm] | 49 mm |
| Inner Diameter of Connection [mm] | 45 mm |
OE numbers (1)
Search by this OE number to find compatible parts
- AUDI / CUPRA / PORSCHE / SEAT / SKODA / VAG / VW—IL45X320
About this product
The TOPRAN Flexible Pipe Exhaust System (121 911) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Overall Length [mm]: 317 mm, Material: 54, Fastening Type: 89, One-sided/Double-sided: BD, Connector Length [mm]: 70 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 83 00 8536, IL45X320, VW445-320. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Fitment not confirmed for this part
We could not confirm which vehicles this part fits — check before buying.Equivalent products (2)
Flexible Pipe Exhaust System TOPRAN 121 911 — compatible car models
| Manufacturer article number (MPN) | 121 911 |
|---|---|
| OE part numbers | IL45X320 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 121911 . Connector Length [mm]: 70 mm. Fastening Type: 89. Inner Diameter of Connection [mm]: 45 mm. Length of flex element [mm]: 177 mm. Material: 54. One-sided/Double-sided: BD. Outer Diameter Flex Element [mm]: 72 mm. Outer Diameter of Connection [mm]: 49 mm
- 1x Flexible Pipe Exhaust System
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Flexible Pipe Exhaust System compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Flexible Pipe Exhaust System fits. All fitment data is verified through TecDoc.
What specifications does this TOPRAN Flexible Pipe Exhaust System have?
This TOPRAN Flexible Pipe Exhaust System has the following specifications: Overall Length [mm]: 317 mm; Material: 54; Fastening Type: 89; One-sided/Double-sided: BD; Connector Length [mm]: 70 mm; Supplementary Article/Info 2: 349. Check the full specifications table above for complete details.
What OE part numbers does this Flexible Pipe Exhaust System replace?
This Flexible Pipe Exhaust System replaces OE part numbers: IL45X320. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Flexible Pipe Exhaust System cost?
This TOPRAN Flexible Pipe Exhaust System is available for £41.99. Flexible Pipe Exhaust System prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Flexible Pipe Exhaust System?
Regular inspection of your Flexible Pipe Exhaust System is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Flexible Pipe Exhaust System?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Flexible Pipe Exhaust System fitted by a professional mechanic.
Can I use this part as a replacement for OE IL45X320?
Yes, this TOPRAN Flexible Pipe Exhaust System is a direct replacement for OE part number IL45X320. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the TOPRAN 121 911 the same as the TOPRAN 121 909?
No, while both are Flexible Pipe Exhaust System parts, they are different products. The TOPRAN 121 911 has Overall Length [mm]: 317 mm, Material: 54, Fastening Type: 89. The TOPRAN 121 909 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
