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1988-1993 GMC C1500 305 CID
Also Fits 01-07 gMC Sierra 2500HD/3500
Single Rear Axle (Non-Dually)
Straight Muffler Body
1979-1979 GMC C2500 400 CID
2005-2010 Ram 1500 Performance Muffler Flowmaster Stainless Steel y-pipe 1988-1993 GMC C1500 305 CIDOverview: Developed from our Top Ten race muffler lineup for use on the street strip, the Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow
