Customer Testimonials & Reviews

GDM Customer Testimonials

It’s one thing to promise excellence. It’s another thing to deliver it!

We let our clients speak for themselves. You talk. We listen. We would love to hear your testimonials about your experience working with us.

Share your Experience


2016-08-26T09:31:52-05:00August 26th, 2016|

I bought my TDI ECU and DSG tune through GDM. Les walked me through the steps for the remote tune of the DSG. I was impressed with how easy it was having never done a remote tune before. The ECU had to be sent to GDM for the tune but the turn around time was [...]


2016-08-03T15:03:10-05:00August 3rd, 2016|

Had my MK7 golf tuned and downpipe installed. Top notch work and great customer service. Had an issue with the tune file but being the great shop they are, they got me in straight away and cleared up the issue. Car runs amazing now and i am very happy with the outcome. Thx GDM.

Richard Hupper

2016-04-05T10:21:44-05:00April 5th, 2016|

I got the DPF and ERG delete for my 13 golf tdi. After some time I decided to get a single mass flywheel clutch and Les talked me into the 170 turbo as well. I was nervous at 1st but I love my car so much now. Plenty of power everywhere and I can still [...]


2016-03-16T14:03:05-05:00March 16th, 2016|

I just wanted to share my experience working with Les and his team on my 2000 Jetta TDI. I think they did a great job diagnosing and fixing my problem (basically sluggish acceleration and an inability to cross 3000 rpm) After running tests on the timing and the MAF, they checked the EGR and intake [...]

Wes Frazee