has anyone heard of the heartrob 4 inch exaust from jc whitney i bought one and it is a really good system it has 4inch pipes immediatly after the turbo it is alluminized it has all the hangers welded on it has a glasspack style muffler i put it on backwards it sounds like a huge airpump it was 399. 99 i got 20 percent off even with shipping it was less than 360. 00 has anyone bought one of these or even heard of one