B&B old VS New VS Corsa a ZR-1 Owner opinion - ZR-1 Net Registry Forums

GOLDCYLON · 03-28-2008

Q: Whats the Difference between the older Vs newer B&B system

The earlier system has a "Tri-flow etching" which is located on the top edge of each the oval tips on the mufflers which is hardly noticeable as its usually hidden by the body cut out where the tips and the rear body cut out meet. The B&B system is almost 20 years old the etching just means this is one of the earlier models within the first 10 years of production or so. B&B has changed the Tri-flow system, over the years to include modifying the center line resonator and the exit pipes with a newer style cone tip restrictors and moderate changes in baffling to the insides of the muffler. The design changes were done for one reason and one reason only... which was to reduce the Billy Boat problem with droning or resonance.

B&B makes one for the nicest looking, least restrictive, Highest HP gaining and nicest sounding 3 inch system out there for the LT4 and LT5. However, in my opinion the earlier model systems are great for your track car but not for a daily driver. If thats what your looking for I suggest hooking up an X pipe, turning up the stereo and racing on! You could not be happier with a 3 inch B&B system on a track car. If this is how you want to fly with your ride then any B&B system is 100% worth the money or if you dont have the money just go to a 100% straight pipe system as its pretty much the same result. B&B just adds class to being a truly racing performance exhaust system.

When I bought my ZR-1 it came with a B&B system on it. The earlier models like mine were a resonance laden problem. Just how bad? Well pretty damn bad especially in the 1200-1800 RPM range which folks is pretty normal driving around town style of driving. It was a pain to try to have a conversation in the car with any of my passengers unless I was up to freeway speed and the drone would go away.

Another complaint I have on the B&B system is the fart can size resonator on the centerline of the vehicle. My neighborhood has those elongated nazi style speed humps which you guessed it no matter the angle of attack would consistently scraped the bottom of the resonator. This would happen depending on the road surfaces as well.

Now I have been told, from many folks on this board that Billy Boat with all the above changes to the system has solved most if not all of the droning issues. But im here to tell you the centerline fart can problem remains.

I could not imagine the problem you would have with your ride if its lowered in any way. My problems were ALL at factory level heights. Because of these factors I was not willing to test out a NEW B&B system. I could not see putting the money into another system that had the same centerline problem.

So where am I now with an exhaust system? I have a Corsa power pulse system. Its a better Daily Driver system. And It sounds pretty good when you hammer it. It has a long slender resonator which I have yet to scrape. It looks real good but the oval tips of the B&B fit the rear body cut out better. It has four tips but 2 are dummies which works for me as I have two less to clean. My son however is not impressed but hes running straight exhaust on his LS1 Camaro (Ah Youth lol). I think his response was something like "well thats gay"

So in Summary.. Track car.. B&B all the way and put in and X-pipe and throw the old style resonator in the trash. Keep the newer style if you decide to regain you hearing. And if you ever wondered why those resonators look beat up on most of the used systems? You now know why

Daily Driver, go with a Corsa power pulse no question. Resonance isnot an issue and you use less aluminum polish. Hope this helps a future owner of either systems. Goldcylon reporting

__________________

Jagdpanzer · 03-28-2008

Thanks for sharing your experience.
I also decided on the Corsa exhaust system for the same reasons.
I must admit the 3" B&B system is mighty tempting though and the oval tips look great.
But us more mature (older) guys got to keep our teeth in and save the remaining hearing we have left.

03-28-2008	#1
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,119	B&B old VS New VS Corsa a ZR-1 Owner opinion Q: Whats the Difference between the older Vs newer B&B system The earlier system has a "Tri-flow etching" which is located on the top edge of each the oval tips on the mufflers which is hardly noticeable as its usually hidden by the body cut out where the tips and the rear body cut out meet. The B&B system is almost 20 years old the etching just means this is one of the earlier models within the first 10 years of production or so. B&B has changed the Tri-flow system, over the years to include modifying the center line resonator and the exit pipes with a newer style cone tip restrictors and moderate changes in baffling to the insides of the muffler. The design changes were done for one reason and one reason only... which was to reduce the Billy Boat problem with droning or resonance. B&B makes one for the nicest looking, least restrictive, Highest HP gaining and nicest sounding 3 inch system out there for the LT4 and LT5. However, in my opinion the earlier model systems are great for your track car but not for a daily driver. If thats what your looking for I suggest hooking up an X pipe, turning up the stereo and racing on! You could not be happier with a 3 inch B&B system on a track car. If this is how you want to fly with your ride then any B&B system is 100% worth the money or if you dont have the money just go to a 100% straight pipe system as its pretty much the same result. B&B just adds class to being a truly racing performance exhaust system. When I bought my ZR-1 it came with a B&B system on it. The earlier models like mine were a resonance laden problem. Just how bad? Well pretty damn bad especially in the 1200-1800 RPM range which folks is pretty normal driving around town style of driving. It was a pain to try to have a conversation in the car with any of my passengers unless I was up to freeway speed and the drone would go away. Another complaint I have on the B&B system is the fart can size resonator on the centerline of the vehicle. My neighborhood has those elongated nazi style speed humps which you guessed it no matter the angle of attack would consistently scraped the bottom of the resonator. This would happen depending on the road surfaces as well. Now I have been told, from many folks on this board that Billy Boat with all the above changes to the system has solved most if not all of the droning issues. But im here to tell you the centerline fart can problem remains. I could not imagine the problem you would have with your ride if its lowered in any way. My problems were ALL at factory level heights. Because of these factors I was not willing to test out a NEW B&B system. I could not see putting the money into another system that had the same centerline problem. So where am I now with an exhaust system? I have a Corsa power pulse system. Its a better Daily Driver system. And It sounds pretty good when you hammer it. It has a long slender resonator which I have yet to scrape. It looks real good but the oval tips of the B&B fit the rear body cut out better. It has four tips but 2 are dummies which works for me as I have two less to clean. My son however is not impressed but hes running straight exhaust on his LS1 Camaro (Ah Youth lol). I think his response was something like "well thats gay" So in Summary.. Track car.. B&B all the way and put in and X-pipe and throw the old style resonator in the trash. Keep the newer style if you decide to regain you hearing. And if you ever wondered why those resonators look beat up on most of the used systems? You now know why Daily Driver, go with a Corsa power pulse no question. Resonance isnot an issue and you use less aluminum polish. Hope this helps a future owner of either systems. Goldcylon reporting __________________ __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V Last edited by GOLDCYLON; 04-07-2014 at 03:22 PM.

03-28-2008	#2
Jagdpanzer Join Date: Apr 2007 Location: Northern VA Posts: 2,651	Re: B&B old VS New VS Corsa a ZR-1 Owner opinion Thanks for sharing your experience. I also decided on the Corsa exhaust system for the same reasons. I must admit the 3" B&B system is mighty tempting though and the oval tips look great. But us more mature (older) guys got to keep our teeth in and save the remaining hearing we have left.