Cherry Bombs are indeed loud.
I have a flowmaster 40 series, but not by choice. I was sick of bending up the stock system, and the last time I ripped it off, I stoped by the first shop I saw and asked them to fix it. I figured it'd rust out soon enough, and I'd do something nicer.
Damn thing won't die. Though it really isn't all that loud, just throaty. Not much louder than stock, just deeper. I wouldn't go any louder at all on a trail, the outdoors need to remain fairly quiet. I've got a lot of bends behind it, so it stays pretty muted.
And no, there is no HP gain. Also, the less restriction you run, the more likely you are to swamp your exhaust. Cherry Bombs are a bad idea. The engines don't like those crazy free flow designs anyway. All you will do is make things worse.
Save your pennies week by week, and call Atlantic British, or Will Tillery or someone and get the real thing. If you want to keep it out of the way, do like I did and turn it sideways. You can't sit back with an air chisel and a tape measure and make a better exhaust system than the factory setup, so why not just buy the factory stuff or aftermarket designed for Rovers?
If you need something right now, this second, Flowmaster isn't all that loud, and a better choice than what you mentioned.
Cheers,
Kennith
