Ask Honest John

Most recently answered exhaust questions
It is difficult to read any media article at the moment which doesn't demonise diesel engines and their effect on air quality. As a driver of a BMW 320d, bought new in good faith in 2015 (Euro5 compliant),...
I've just had a new exhaust system fitted to my 2004 Ford Focus. The new exhaust makes a loud noise (like a turbo exhaust) when changing gear from 2nd to 3rd and also when I go round corners makes a knocking/creaking...
I have a 2002 Hyundai Getz 1.1 petrol. Recently since filling up I’ve noticed some differences. Although I rate the fuel to the issue, it didn’t happen at roughly the same time. Recently the vehicle has...
My Toyota Urban Cruiser has done 51,000 miles, is on a 2009 plate and the joint between the back box and the remainder of the system has corroded through and is now detached. Should I have expected it...
My 2008 Ford Fiesta has started making a knocking noise at the back, next to the exhaust. My local garage has replaced the box, but the nose persists. Any idea why this is?
My wife drives a 2004 Mercedes-Benz SLK 200, with 73,000 miles on the clock. It is in decent condition, but last week my wife ran over a gate closing device and damaged the exhaust. The whole exhaust has...
Why is that motorcycle engines are permitted to be so loud? If my car made anywhere near the noise levels of most motor bikes it would fail the MoT or I would get pulled by police. I have nothing against...
The exhaust makes a rattle noise when on tick over. Quite rattly. I have been told I need a new exhaust at £ 400 + Any way of dealing with this without spending all that money?
I've been quoted £803.53 inc. VAT for the middle section of a Golf 1.6 exhaust with cat and 2 lambda sensors. There is a rebate of £186 on returning the old unit, making a total of £617.53. This seems...
I've had a problem for months if not more. When cold, the exhaust blows loud at front and it's rattly. It seems to go after one minute when warm - been worse since the weather turned cold. I can't tell...