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This intermediate exhaust box is designed for Volkswagen T4 Transporters from 1996 to 2003 that are fitted with a catalytic converter. Installed between the front pipe/cat and the rear silencer, this box helps reduce exhaust noise, smooth exhaust flow, and maintain correct back pressure for reliable engine performance.
Manufactured to OE-style dimensions and construction, it provides long-lasting durability and proper fitment across a wide range of T4 petrol engines. On long wheelbase (LWB) models, the box installs at full length. For short wheelbase (SWB) models, the pipe must be cut to length (856mm cut point) where specified.
This intermediate box is compatible with the following engines and power outputs:
T4 (103kW) – 2.8 AES (01/96–05/00)
T4 (62kW) – 2.0 AAC (01/96–07/03)
T4 (81kW) – 2.5 ACU (01/96–04/98)
T4 (81kW) – 2.5 AET (08/96–07/03)
T4 (85kW) – 2.5 APL / AVT (05/99–07/03)
T4 (62kW) – 2.0 AAC (01/96–07/03)
T4 (81kW) – 2.5 ACU (01/96–04/98)
T4 (81kW) – 2.5 AET (08/96–07/03)
T4 (85kW) – 2.5 APL / AVT (05/99–07/03)
This box maintains the correct flow characteristics for T4 petrol engines, helping ensure stable idle, smooth acceleration, and reduced exhaust resonance. Ideal as a direct replacement for worn, rusty, or noisy original units.
VW T4 Transporter: 1996–2003
(Petrol models with catalytic converter)
A reliable, well-fitting component for restoring the exhaust system on both SWB and LWB T4 vans.
This Part Fits: T4 Transporter
Availability: Stock Item
Item Name: Intermediate exhaust
Description: Centre Muffler
Product Group: Exhaust
Group: Exhaust System
Unit of Measure: Each
Manufacturer: JOPEX
Dimensions:
Width: 450mm
Height: 1400mm
Depth: 125mm
Volume: 78750000mm3
Weight: 6.022kg
| Manufacturer | Model Series | Model Version | Year | Engine Size | Fuel Type | Body Type | BHP | Engine Code | Application Info |
|---|---|---|---|---|---|---|---|---|---|
| VW | Bus/Transporter/Flatbed | T4 | 07/90 - 07/90 | 2,0 | Petrol | Van | 84 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 07/90 - 07/90 | 2,0 | Petrol | Platform/Chassis | 84 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 09/90 - 09/90 | 2,0 | Petrol | Bus | 84 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 09/90 - 09/90 | 2,5 | Petrol | Bus | 110 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 11/90 - 11/90 | 2,5 | Petrol | Van | 110 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 11/90 - 11/90 | 2,5 | Petrol | Platform/Chassis | 110 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 08/96 - 08/96 | 2,5 | Petrol | Bus | 115 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 08/96 - 08/96 | 2,5 | Petrol | Platform/Chassis | 115 | - | -
|
| VW | Bus/Transporter/Flatbed | T4 | 11/95 - 11/95 | 2,8 | Petrol | Bus | 140 | - | -
|
| Manufacturer | Ref. No. |
|---|---|
| WALKER | 21036 |
| BOSAL | 281-463 |
| VW | 023253409 |
| VW | 023253409AJ |
| VAG | 023253409 |
| VAG | 023253409AJ |
| JPGROUP | VW-35371 |