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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'90 Jetta GLI, Pricey Exhaust

Q: I have a '90 Jetta GLI. It is in need of an exhaust, but I can't afford the price on all the pipes, catalytic converter and mufflers. Will the car run properly if I put a new catalytic converter on it with a pipe back to one muffler (it currently has 3)?

- Nathan B.

A: I'm glad to hear that you want to install a converter. So many people want to rid their vehicles of them but do not realize the volume of pollution they would create without a converter. In fact,, one vehicle without a converter can easily produce the same or more pollution than 40 vehicles with converters driven the same distance. Converters work that good when things are right. The exhaust system on VW is a costly system. Will your vehicle run right with only one muffler? Most likely, but I would not recommend it or perform such work if requested by the customer. If you should try to by-pass or eliminate 2 of the mufflers, be sure that the exhaust system is properly sealed and exits the rear of the vehicle as designed by the manufacturer. Exhaust gases entering the vehicle is deadly and nothing to mess with.

 
     
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