Pay in 4 interest-free payments of $19.75 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Expect a 50-60% reduction in backpressure versus the stock exhaust system
Product 03874 is verified for correct specifications and dimensional accuracy before shipment
Calibration modifications include optimized air/fuel ratios
Position 4 delivers firmest damping for aggressive driving
cylinder bore taper
INTAKE MANIFOLD SPACER Window Visors Expect a 50-60% reduction inThis intake manifold spacer (part ) installs between your intake manifold and carburetor to increase plenum volume and improve air fuel mixture distribution. Adding plenum depth changes the effective runner length of your induction system, typically shifting the torque curve lower in the RPM range for improved low end and mid range power. It is a budget friendly induction upgrade that wakes up a mild street engine without major modifications. Machined
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