HEARTTHROB VELOCITY SERIES PERFORMANCE WELDED MUFFLERS A performance sound at the tailpipe without the usual annoying drone inside your vehicle! Suspended inner wing baffle ensures high exhaust flow and low back pressure, but keeps sound inside the muffler.
GIBSON SUPERFLOW ROUND OFFSET IN/CENTER OUT HIGH-PERFORMANCE MUFFLERS Gibson high-performance mufflers deliver more power, torque and a "big block" sound at the tailpipe, where it belongs! SuperFlow mufflers feature straight-through design and all-welded construction delivering maximum flow and increased power for improved low- and mid-range performance. Each muffler is fully baffled and chambered for better volume efficiency and unrestricted flow; never packed or screened and with nothing to blow out.