Southwest Infiniti Fraud - Perpetrated for profit or to gain some unfair or dishonest advantage HOUSTON Texas

BE AWARE of Southwest Infiniti in Houston, Texas! They are FRAUD
Their Sales and Finance department are complete fraud and the Executive Manager Fred Gallucci is a jerk. Let me share my horrible experience with Southwest Infiniti; it is all recorded on my cell phone.
We negotiated the price $14,500 plus TTL on a 2011 used car pre-approved by my bank. All negotiations were done via email and phone; we received the buyers order (will try to attach that here) on July 15, 2016 in the afternoon and we scheduled to sign the contract at 6:00pm. The pre-approval letter was provide to them a day before and the online application was completed as well.
We went to the dealership at 6:00pm; processed all paperwork with the sales department and sign the Buyers Order for $15,749.15 (selling price $14,500 + 956.38 tax + fee) and waited to be called by the Finance department. Finance told me that they submitted the deal to my bank and the ban has approved with higher interest rate. I immediately called my bank on speaker phone and asked if they approved the deal at higher rate;the bank representative said "No, we have not received any deal from Southwest Infiniti". I asked to double check and the answer was negative.

I again asked Finance what was really going on and how did they get higher interest rate without submitting the deal on a pre-approved loan; the finance started to scream at me and said she knew what she was doing. Then I noticed her computer screen had much higher amount for Selling Price;it was $22,500. I asked why are you submitting $22,500 when we agreed to $14,500; she replied this is how they do it.I then asked what was the finance amount;she replied $27,000 plus.
The sales manager took the key out of my hand and said "take it or leave it";we left the store.