In the September edition of Caravan World with Motorhome World magazine, issue #469, towing expert Philip Lord notes that exhaust modifications can be very good or very bad for towing vehicles.
What have you found? What has or hasn’t worked for you?
"Engine management computers, aka engine control units (ECUs), are a rich area for engine improvements. Don't buy one on eBay, though: go through a reputable company, preferably one that specialises in the modification and has dyno charts to show you the actual gains in power and torque for your vehicle before and after," writes Philip.
Full report in the September edition of Caravan World with Motorhome World magazine, on sale August 4.