Royal Purple Duralec Ultra 10W30 Synthetic Motor Oil - 1 Gallon (Case of 3) BR40031 Data logger - Smoothing

Data logger - Smoothing

The look of an expensive tuned header side pipe at a fraction of the cost

1960-1975 Pontiac Ventura

Features include 409S stainless steel mandrel bent tubing flowing into a FlowFX straight-through performance muffler for maximum power and a deep aggressive sound

1973-1987 Chevrolet Blazer

Royal Purple Duralec Ultra 10W30 Synthetic Motor Oil - 1 Gallon (Case of 3) BR40031 Data logger - SmoothingProduct Description: Motor Oil Duralec Ultra 10W30 Synthetic 1 gal Jug Set of 3 Royal Purple was founded in 1986, but its roots go back much further. Royal Purple Motor Oil increases horsepower and torque. Royal Purple XPR Extreme Performance and Royal Purple XPR Racing oils are formulated for ultra performance applications such as racing, modified engines and off road use. Professional engine builders and race teams have cited increased horsepower