Comparing hot idle and hard acceleration on my 1983 C10 with my older setup of dual Flowmaster 40 series and my new setup of Dual Borla Pro XS.
Both setups are Long tube headers with 2.5” exhaust bike back to true dual exhaust dumped before the rear axle.
Flowmaster 42543 40 Series Muffler - 2.50 Offset IN / 2.50 Offset OUT - Aggressive Sound [ Ссылка ]
Borla 400490 Borla Pro XS Muffler Offset/Offset 2.5 in. Offset Inlet 2.5 in. Offset Outlet 19 in. x 4 in. x 9.5 in. Oval Body 19 in. OAL Notched T-304 Stainless Steel Borla Pro XS Muffler [ Ссылка ]
Flowmaster 40 Series vs Borla Pro XS on SBC 350
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