For decades AP has engineered and manufactured a wide range of automotive exhaust and emission systems and components. AP's assortment of products has grown to include mufflers, exhaust and tail pipes, catalytic converters and related installation and cosmetic-accessories. AP has manufacturing processes which meet the needs for high-quality Muffler, Tube Product and Catalytic Converter production.

• Designs cover single or dual installations for most vehicles.
• 100% Aluminized components for superior corrosion protection.
• Heavy duty necks for easy sizing.
• Large inner tubes allow straight-through power.
• Large body 4-1/16" x 10-1/2" and 4-1/2" x 11" ovals for light trucks, cars, and vans.
• Slimmer 4-1/4" x 8-3/4" ovals to fit today's performance vehicles.
• Smaller 3-1/4" x 7-3/4" ovals are also available for areas with tight space constraints.
• A perfect match with Max Fit pipes for an affordable performance upgrade.
• Excellent performance sound and reduced engine backpressure.