I had to put the injectors in, everything else was not needed but wanted to do. VERY IMPRESSED with the quality of all of it. Haven't got my ECM yet but the motor already has more life in it then it ever had before. Love the deep sound the exhaust gives... ...read more From: Doug B.
Outstanding! Manufactured by Heartthrob for SS Diesel, this product works exactly as stated. Easy to install in about a 1/2 hour by myself. Dyno sheets indicate exactly how the H1 will perform with this eaxhaust and it does just that. Great bang for the... ...read more From: Ron