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454 Spring Rate1
OEM Diameter With A/C Pulley
Will not fit EFI Heads
The engineers at ARP spent quite a bit of time developing these highly effective
40 Series Delta Flow Muffler FLO943042 5.0 EFI 454 Spring Rate140 Series Delta Flow Muffler3" Center Inlet Offset Outlet FLO943042 O943042 Size: 9. 75" x 13. 00" x 4. 00" Case (19. 00" Overall Length) Designed to minimize interior resonance, the 40 Series Delta Flow Muffler offers an aggressive exterior tone. The 40 Series Delta Flow helps increase torque and horsepower on many late model performance cars and trucks. Available in Aluminized and 409S Stainless for harsh weather applications.
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