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how does the Texas Speed Rumbler Cat Back compare with SLP loudmouth ?

This is a discussion on how does the Texas Speed Rumbler Cat Back compare with SLP loudmouth ? within the External Engine forums, part of the LSx Technical Help Section category; I listened on ls1sounds and loudmouth seems louder. someone told me they were the same only the texas was cheaper ...

  1. #1
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    how does the Texas Speed Rumbler Cat Back compare with SLP loudmouth ?

    I listened on ls1sounds and loudmouth seems louder. someone told me they were the same only the texas was cheaper

    also how much hp is gained from both

  2. #2
    Junior Member PierreGTO's Avatar
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    04 GTO;99 WS6; 00 SS

    the TSP rumbler uses a Dynomaxx bullett muffer i believe and the SLP LM uses a SLP resonator

  3. #3
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    i have the rumbler and love the sound. the rumbler is coated and the loudmouth is stainless. gains would be bout the same.
    Last edited by Scott5586; 10-14-2007 at 04:50 PM.

  4. #4
    Junior Member PierreGTO's Avatar
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    yea im running a Longtubes and SLP Loudmouth 1 combo on my car is pretty loud but i love it. Other people on here dont really care for this combo because of the raspy sound it produces but its my car

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    Member 02SOMZ's Avatar
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    Any new opinions on this topic, since I'm in the market and considering/comparing these two cat-backs myself...

  6. #6
    Rockin the Ruckus! 02Sweet's Avatar
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    Quote Originally Posted by 02SOMZ View Post
    Any new opinions on this topic, since I'm in the market and considering/comparing these two cat-backs myself...
    I have the LM1, before headers I loved it. Now I have headers and ORY and I HATE IT. It's too loud. The rasp is crazy. EVERYONE in the area knows its me or......that other guy in the area with the same setup...

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    I've got a friend that will put his Camaro in neutral and coast past the city cops so he doesn't draw to much attention to his loud car. His LM1 is almost as loud as my cutout and and with my cutout open my car will set off other peoples car alarms when you crank it.
    TSP 347 SB, TSP Stage 2.5 PRC LS6, TSP MS4, Performabuilt Stage 2 4L60E, Yank PT4000, 4.11s, Fast 90/90, FTRA Cold air intake+all the free mods, Dynatech Supermaxx Exaust System, DMH Cutouts, Hooker Catback/FTRA Tips. Tuned by RPM/Garner NC. 11.28@119

  8. #8
    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by 02Sweet View Post
    I have the LM1, before headers I loved it. Now I have headers and ORY and I HATE IT. It's too loud. The rasp is crazy. EVERYONE in the area knows its me or......that other guy in the area with the same setup...


  9. #9
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    ive got the rumbler with pacesetter lts and i love it, its pretty cheap too

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