So I was told by HBL Porsche that 1 of my rear tire has an uneven wear and the other has a slow leak around the wheel well. So they quoted me $950 to replace both. I know the tires cost around $240 each cause I have bought them on tirerack in the past. Do both the TPMS need to be replaced? Any recommendations on shops? Please don't say Intersport cause they like raping people in the @$$.