This system was developed and installed, on our child's 1986 Olds Cutlass at the Flomaster's R & D center in Hayden Id. It was the pattern for the total Kit, that you can purchase from Summit Racing, and Jegs Performance, for $634.00. It will certainly fit Any G Body- Chevy Monty Carlo- Buick Regal & Grand National.- Olds Cutless & 442 & Pontiac Grand Prix. 1982 thru 1988. The Pipe size is 2 & 1/2" Stainless Flomaster mufflers and tail pipings. Great sounding, & exceptional flowing system. $357.00 OBO Cash No Trades. Thanks for looking call Bob with any questions at.

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