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TrailblazerSS
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Discussion Starter · #1 ·
I am new to the board and have recently purchased a 2008 Imperial Blue TBSS. It already has resonator delete and the SLP "muffler" in place of the factory one. I would consider it the SLP "loudmouth", which I do not like. I want to replace with Flowmaster Super 40 series but don't know the part number? If I can't get the P/N, I would like the inlet/outlet size and length.

Thanks

Jason
 

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Premium Member
07 2wd TBSS
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9,172 Posts
I too had the SLP loudmouth sounded good but when i bolted on the high flow cats it worked even better BUT the exhaust note got really raspy! so now I am running the the Super 40 flows and it sounds mellow not to loud feels like it flowing good too, now as far as part number goes I don't know it but I just went with a 3 inch center inlet and outlet and it works fine
 

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'07 awd
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2,422 Posts
I'm pretty sure the stock muffler is center in, offset out.
 
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