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11-29-2011, 04:03 PM
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#1 |
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Registered User
Join Date: Nov 2011
Location: san mateo, ca
Posts: 118
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Slp?
Its kinda sad but i just heard about SLP loudmouth mufflers today. So i looked online to hear them and it seems like there on a lot of Camaros. Now im sure i want to set up a 2.5 in h-pipe but idk if i should stay with my flowmaster 40 series. Im also running long tube headers, if anyone has any suggestions to make my truck sound mean, let me know. Would slp loudmouths be a bad idea?
thanks 
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11-29-2011, 04:31 PM
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#2 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Slp?
Got a clip of how they sound? I'm familiar with SLP but their Camaro SSs and Pontiac Firehawks.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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11-29-2011, 04:37 PM
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#3 |
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Registered User
Join Date: Nov 2009
Location: maine
Posts: 2,315
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Re: Slp?
I had a set on a trans am, loud as he!!. Also annoying as he!! in my opinion. I swapped it out for a dynomax quieter set.
But this was years ago, i can't be positive about now though.
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1972 C10 Deluxe.Shortbed. 402/400. A/C, white interior, needs complete restore. Project Red, white and blue. Used to be a Longbed apperently. http://67-72chevytrucks.com/vboard/s...d.php?t=451950 1971 c10 step 250 3 OTT 1969 c30 TOW-MATER. 307 4 speed, holmes 440 body. http://67-72chevytrucks.com/vboard/s...d.php?t=451082 2006 CTS-V LS2 6spd. |
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11-29-2011, 04:37 PM
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#4 |
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Registered User
Join Date: Oct 2011
Location: Normal, IL
Posts: 82
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Re: Slp?
I love SLP and have thought about that when I redo my exhaust myself. Camaro's are SLP's big thing since they came out with the SS. They know there stuff and make quality parts. I know 2 guys that are running LM, one is a 01 Z28 3" exhaust, sounds mean as hell. Also is a guy I work with has a 69 Mach 1, 351, built, big game, totally redone beautiful car. His is full length, 3" SLP LM, sounds great. I love Flowmaster, have had them on everything I've owned. So you cannot go wrong. SLP is going to be louder and probably meaner. While Flowmaster is going to be a little deeper but also mean sounding. I say go for it.
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1972 C10 SHORT BED, BLACK ON BLACK, ZZ3 CRATE MOTOR WITH B&M 250 SUPERCHARGER, HEADERS, 350TURBO TRANS, BOOST RETARD, POSI, 373 GEARS 1966 MUSTANG COUPLE, 289 HIPO MOTOR, CAM, 650 HOLLEY CARB, FULL LENGTH HEADERS, 2.5" FLOWMASTER EXHAUST, HURST SHIFTER, 373 GEARS POSI 2006 MONTE CARLO, FLOWMASTER MUFFLERS, K&N INTAKE, EXTERIOR MODS |
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11-29-2011, 04:40 PM
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#5 |
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Charlie Daniels w/ a Tq Wrench
Join Date: May 2009
Location: Statesville, NC
Posts: 1,570
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Re: Slp?
SLP Loudmouths can hardly be called mufflers....
IMO they sound ok, and pretty mean on a stock F-body that still has catalytic converters, but on a car with LT headers (or just no cats) they sound horrible, lots of popping and rasp, which would be the same result you will likely get with them.
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ΜΟΛΩΝ ΛΑΒΕ 67 C10 Shortbed "Great Grandpa's Truck" I6 3 on the Tree 71k original miles 5.3 swap in the works69 K5 Blazer-Family Beach Cruiser Project 78 K30 Dually Semi-Retired Fire Truck 350/SM465 35"s SOLD01 2500HD ECSB 6.0 4x4 5.13's 8" lift 38"s |
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11-29-2011, 09:05 PM
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#6 |
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Still Just Havin Some Fun!
 
Join Date: Jun 2007
Location: Piedmont, Oklahoma
Posts: 1,145
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Re: Slp?
I have owned 3 of the SLP Firehawks and loved all 3 of them. However, I did install a loudmouth setup on one of them with headers and it lasted about a week before I yanked it off.
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a green one with some stuff done to it.... |
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11-29-2011, 11:03 PM
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#7 | |
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Registered User
Join Date: Oct 2011
Location: Normal, IL
Posts: 82
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Re: Slp?
Quote:
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1972 C10 SHORT BED, BLACK ON BLACK, ZZ3 CRATE MOTOR WITH B&M 250 SUPERCHARGER, HEADERS, 350TURBO TRANS, BOOST RETARD, POSI, 373 GEARS 1966 MUSTANG COUPLE, 289 HIPO MOTOR, CAM, 650 HOLLEY CARB, FULL LENGTH HEADERS, 2.5" FLOWMASTER EXHAUST, HURST SHIFTER, 373 GEARS POSI 2006 MONTE CARLO, FLOWMASTER MUFFLERS, K&N INTAKE, EXTERIOR MODS |
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11-29-2011, 11:52 PM
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#8 |
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Registered User
Join Date: Oct 2011
Location: Houston, Texas
Posts: 884
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Re: Slp?
I remember SLP loudmouths to be pretty raspy.
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11-30-2011, 12:16 AM
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#9 |
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Registered User
Join Date: Sep 2004
Location: Topeka, Ks
Posts: 604
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Re: Slp?
Its loud which is cool, but annoying raspy nasty loud. Been there done that. I have Flowmaster single chamber 10 series on car now. Its loud but sounds amazing, especially at WOT.
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Daily-94 K2500 350 5spd extended cab longbox Project Red Velvet-68 C20 396-th400-AC-PS-PB-all original except for the 8 track and the gun rack. Build thread>>>>http://67-72chevytrucks.com/vboard/s...d.php?t=495881 My 01 TA and 88 Formula hide in the garage. :-) |
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11-30-2011, 08:34 AM
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#10 |
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Special Order
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Slp?
For loud,my buddy put electric cut-outs on his Firehawk to scare the cocky Mustang boys next to him at a light...then leave them in his dust.
__________________
"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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12-02-2011, 02:35 PM
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#11 |
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Registered User
Join Date: Nov 2011
Location: san mateo, ca
Posts: 118
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Re: Slp?
Thanks for the input guys, I'm thinking that slp lm would be a bad idea, I thin electric cut outs after the h pipe would be real cool but i don't know if that's a good idea, any suggestions on that?
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12-02-2011, 03:23 PM
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#12 |
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Registered User
Join Date: Oct 2011
Location: Normal, IL
Posts: 82
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Re: Slp?
True Dual Flowmaster 44's. Deep, louder and sounds good.
__________________
1972 C10 SHORT BED, BLACK ON BLACK, ZZ3 CRATE MOTOR WITH B&M 250 SUPERCHARGER, HEADERS, 350TURBO TRANS, BOOST RETARD, POSI, 373 GEARS 1966 MUSTANG COUPLE, 289 HIPO MOTOR, CAM, 650 HOLLEY CARB, FULL LENGTH HEADERS, 2.5" FLOWMASTER EXHAUST, HURST SHIFTER, 373 GEARS POSI 2006 MONTE CARLO, FLOWMASTER MUFFLERS, K&N INTAKE, EXTERIOR MODS |
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12-02-2011, 04:59 PM
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#13 |
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Registered User
Join Date: Nov 2011
Location: san mateo, ca
Posts: 118
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Re: Slp?
Just stopped by a family friend's exhaust shop he suggested a 2.5 inch true dual with my 40 series. I'm currently running 2 inch true dials and it's not loud enought
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12-02-2011, 05:06 PM
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#14 |
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Registered User
Join Date: Oct 2011
Location: Normal, IL
Posts: 82
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Re: Slp?
Good choice, I have had them on 3 different cars/truck and know plunty other people with them. I am going with 44's when I redo this exhaust. Really not that much different I believe 44's are suppose to be a little deeper sounding but close to same loudness. I had headers, true duals 2.5" 40's on my 97 Sierra with a 350 vortec with a small cam and hiflow cats and I loved the way it sounded. It had a good deep idle that wasn't real loud but when you jumped on it, it screamed and sounded mean. Are you going to dump the exhaust or have them come all the way out the back?
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1972 C10 SHORT BED, BLACK ON BLACK, ZZ3 CRATE MOTOR WITH B&M 250 SUPERCHARGER, HEADERS, 350TURBO TRANS, BOOST RETARD, POSI, 373 GEARS 1966 MUSTANG COUPLE, 289 HIPO MOTOR, CAM, 650 HOLLEY CARB, FULL LENGTH HEADERS, 2.5" FLOWMASTER EXHAUST, HURST SHIFTER, 373 GEARS POSI 2006 MONTE CARLO, FLOWMASTER MUFFLERS, K&N INTAKE, EXTERIOR MODS |
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