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Type 1 J Tubes
Part Number: AC255303
In Stock
Replace rusty, damaged or restrictive heat exchangers with these 35mm exhaust J-tubes. Designed for Type 1 based aircooled engines, J-tubes offer a simple and lightweight alternative to standard heater boxes, improving exhaust flow while reducing weight and cost.
By removing the heat exchangers and fitting J-tubes, exhaust gases flow directly from the cylinder heads to the exhaust system without passing through heater boxes. This makes them a popular choice for performance engines, summer vehicles, off-road cars and vehicles where cabin heating is no longer required.
Manufactured from steel and supplied with a protective black transport coating. Please note the black finish is not heat-resistant paint and should be removed and replaced with a quality high-temperature exhaust coating before use to maximise service life.
The exhaust flanges are adjustable and may require alignment during installation.
Quantity:
Tube Diameter:
Fitment:
Aircooled VW Beetle Standard / 1302 / 1303:
1200, 1300, 1500 & 1600 Type 1 engines (1961-1979)
Aircooled VW Karmann Ghia:
1200, 1300, 1500 & 1600 models (1961-1974)
Aircooled VW Splitscreen Bus (T1):
1500 & 1600 models (1963-1967)
Aircooled VW Baywindow Bus (T2):
1600 models (1968-1979)
Aircooled VW Trekker / Type 181:
1500 & 1600 models (1968-1983)
VW Buggy & Baja:
All Type 1 engine applications
Important Information:
- Replaces original heat exchangers
- Vehicle heating will be lost once fitted
- Suitable for standard and performance exhaust systems using J-tubes
- Flanges may require alignment before installation
- Protective black coating is not high-temperature paint
Additional Information:
- Lightweight alternative to heater boxes
- Improved exhaust flow compared with damaged heat exchangers
- Popular for performance and off-road applications
- Painted steel construction
Recommended Additional Parts:
- Exhaust fitting kit
- Cylinder head exhaust gaskets
- Exhaust clamps
- High-temperature exhaust paint
- Performance muffler or header system
https://www.coolairvw.co.uk/product/ac255303-type1-j-tubes/