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"Fitted box, maf and switch to 2005 freelander . I am totally amazed at the performance. Towing our caravan uphill in fifth gear and being able to accelerate when needed is unbelievable. Solo the fuel consumption is regularly in the low forties , brim to brim , or use the power to surprise Range Rover drivers ! I cannot recommend this product enough , utterly brilliant !"

Roger Sell

"Amazing transformation, box & maf. tired Freelander td4 turned into a new smooth & fast car. Steady idle, pre-turbo torque & more turbo performance. Haven't tried 9 or 10 yet. So glad I tried this, thanks"

Colin

"I have to say I was a little sceptical that a little box could make a huge difference The service was great and I received it with in two days I plugged it all in set the box to 10 with the fuel and air on and I was blown away definitely worth the money thanks very much!"

Joshua

"Finally got round to fitting the synergy 2 box on my freelander td4.After quick call to Ron , fitted the box - what a fantastic difference in all ranges and driveability - even sorted out a misfire it had ,really good investment good product,and friendly advice ."

John

"Have had mapped diesels for years but this is a first with a box (a Synergy 2t, Ron) and digibooster. It brings the car up to as it should be. Before the Avensis was a slug now there is decent power. Gains are a good 25% I reckon. Pre boost was where it was needed and now that's sorted. Keeping an eye on mpg but all in all happy days. Thank you Ron for all your help."

Lee