Use your car as a flowbench - measure exhaust backpressure to see where ... make the first section off the fitting a metal pipe, allowing it to shed some heat before the hose — otherwise the ...

Car exhaust flame throwers ... placed right before the exhaust tip. Doing this will shorten the life of your engine (and pedestrians). The raw fuel strips the oil off the cylinder walls and ...

During normal operation, the emissions from a car's tailpipe should be invisible ... If your engine is burning enough oil to produce visible exhaust smoke, the oil level will drop over time ...

Tony Pesson asked about modified exhaust pipes on vehicles and whether they're legal. He also asked about underglow neon ...