Swervin's steering you right, snatch a set of headers with Y pipe, 1- 3" hi-flo cat, and single 3" to muffler with dual outlets. We run this exact set-up on our 1988 GMC with a Eldelbrock multi-port injection system and it lays us back in the seat nicely on acceleration, while maintaining a nice quite cab interior but with a real *****in sound out the rear.
GMCPaul
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