Just recently put a flowmaster 40 series with a dual rear exit and 3 in. tips on my 08 silverado. It really makes the 4.3L rumble. I was worried that it might be a little whiney but it has a nice deep rumble. I am very satisfied with it.
got any video
08 silverado
4.8
K&N cai
single in dual out cherry bomb pro
leveling kit
custom painted bow ties
Bed liner
Tinted windows
20inch Cruser Alloy Switchblades
Goodyear Eagle GT2 285/50/20
1 truly heavy foot + Wait4meperformance SCT Handheld
100 shot of Nitrous Dyno tune system
SS front bumper
Matching painted front grill and bow ties

i remember i had put one on my v6 camaro back when i had it and i thought it was going to sound like a angry bee but, i was surprised on how it sounded.
2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
Future Mods: 6.0 LQ4/9| Bags|
angry bee?ha!i like that!i always wondered how it would sound on my truck with a 4.8 but im afraid it wont sound as good as i hope
-Dylan
2004 Silverado 4x4
4.8L
1986 K5 Blazer
8" Superlift w/39.5 super swampers
1992 GMC Jimmy "Blue Bomber"
4.3L Vortec

i have a magna flow on my 4.8 and it sounds awesome
i kinda like how the 4.8 sounds with flowmasters over 5.3 i dont kno just me.
2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
Future Mods: 6.0 LQ4/9| Bags|
i might give it a try then.right now i just have straight pipes (which sounds fine) after the cats abut ive been wanting to add a muffler and been considering flowmaster.ive never heard a mgna flow though but ive heard great things
-Dylan
2004 Silverado 4x4
4.8L
1986 K5 Blazer
8" Superlift w/39.5 super swampers
1992 GMC Jimmy "Blue Bomber"
4.3L Vortec

magnaflow and corsa are some of the best out there.
most expensive too
2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
Future Mods: 6.0 LQ4/9| Bags|
that right there my be the reason ive never heard one!
-Dylan
2004 Silverado 4x4
4.8L
1986 K5 Blazer
8" Superlift w/39.5 super swampers
1992 GMC Jimmy "Blue Bomber"
4.3L Vortec
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