Pypes 3" Universal Tunnel X-Pipe 11504 higher valve spring pressures and

higher valve spring pressures and higher engine rpm

The wheel of choice for top super and crate late model teams competing in the ARCA Midwest Tour

1976-1987 Pontiac Grand Prix

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Pypes 3" Universal Tunnel X-Pipe 11504 higher valve spring pressures andProduct Description: Exhaust X Pipe Tunnel Crossover 3 in Diameter Stainless Natural Universal Sold Individually Pypes Performance Exhaust supplies complete mandrel bent, performance exhaust systems for American performance vehicles ranging from the 1950s to the present day. One of the principal ways of getting a lot of bang for your performance buck is to replace your cars compression bent exhaust system with a mandrel bent system. The simple fact is