3.5" Curved Exhaust Extender for TractorsOne New Aftermarket Replacement 3. 5" Curved Exhaust Extender for Tractors This universal curved exhaust extender slides over an existing tractor exhaust stack to redirect and extend exhaust flow away from the operator. The curved design channels exhaust gases to the side or rear, helping to reduce fume exposure during field operation. A mounting clamp is included for a secure, vibration resistant fit. Compatible with a wide range of agricultural