HAS ANYONE HERD OF THE BOSCH 300 HP FIRE EQUIPMENT INJECTORS WHICH WERE JUST ON EBAY RECENTLY FOR $300. 00 WITH NO CORE CHARGE BRAND NEW WITH ONE YEAR WARRANTEE FROM A GUY IN UTAH WHO HAS A GOOD EBAY RATING. WHAT WOULD THEY BE SIMILAR TOO????? AND WHAT DO YOU THINK FOR THE $$$ I HAVE A 98. 5 , 24V, 4" EXHAUST ,K&N FILTER , REBUILT TRANS. SHOULD THIS BE MY NEXT UP GRADE???