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Thread: SLP Lound Mouth II Mufflers

  1. #1
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    SLP Lound Mouth II Mufflers

    Just incase anyone is curious what theses mufflers sound like..

    Last edited by Gator; 02-28-2013 at 10:56 PM.

    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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  2. #2
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    San antonio,tx
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    They sound real nice n clean!
    4.8 FBO-PULLEY 228/228 CAM 4.10 GEARS TUNED BY NELSON...JUST CRUSUIN SAN ANTONIO!

  3. #3
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    thx.. yea they're not as raspy as the Spintech's we had on a while back..

    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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  4. #4
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    I like the way they sound. Im sure theyre pretty loud. Do they drone any?


    4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
    Best ET 11.54@114 w 1.52 60ft
    Raceweight 4905 lbs.

  5. #5
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    A little, but mainly because the turn downs are near the back of the cab..

  6. #6
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    I take it back no drone... Drove the truck around 200 miles over the weekend... First time to really drive it other than home from the muffler shop..

    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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  7. #7
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    No clip.. Got a link?
    Truck: 05 GMC CCSB SLT Z71,
    Go Faster: 5.3, 219/227 .607/.614 112, milled heads, eBay CAI, Circle D 2800, 3030 Built 60E, E-Fans, 3030 Tuned, LT's, Spintech Muffler, DuraGrip w/ 3.73's
    Look Better: 10K HID's lows & fogs, tinted Chevy tails

  8. #8
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    The YouTube video is imbedded in the first comment of this thread..

  9. #9
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    It's not showing up for me
    Truck: 05 GMC CCSB SLT Z71,
    Go Faster: 5.3, 219/227 .607/.614 112, milled heads, eBay CAI, Circle D 2800, 3030 Built 60E, E-Fans, 3030 Tuned, LT's, Spintech Muffler, DuraGrip w/ 3.73's
    Look Better: 10K HID's lows & fogs, tinted Chevy tails

  10. #10
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    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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