HomeExhaust > Brackets, Flanges and HangersAP Exhaust 8780 Exhaust Flange
Part #: 8780

AP Exhaust 8780 Exhaust Flange

🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$11.98Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

AP Exhaust 8780 Exhaust Flange Overview

The AP Exhaust 8780 exhaust flange is designed to provide a secure and precise connection in your vehicle's exhaust system. Engineered with specific dimensions, this flange ensures compatibility with various automotive exhaust setups, including popular makes and models requiring a 3-1/8 inch bolt circle diameter.

  • Bolt Circle Diameter: 3-1/8 inches for accurate fitment
  • Height and Length: 3-7/8 inches for stable mounting
  • Inside Diameter: 2-1/8 inches to accommodate exhaust flow
  • Mount Hole Diameter: 7/16 inches with 3 mounting holes for secure attachment

Detailed Specifications and Design

The AP Exhaust 8780 exhaust flange features a bolt circle diameter of 3-1/8 inches, making it suitable for exhaust systems that require this precise measurement. With a height and length both measuring 3-7/8 inches, the flange offers a balanced profile that supports proper alignment and sealing. The inside diameter of 2-1/8 inches allows for efficient exhaust gas flow, minimizing backpressure. Three mounting holes, each 7/16 inches in diameter, provide a reliable and stable connection point to the exhaust pipes or manifolds.

Common Applications and Problem Solving

  • Replacement flange for exhaust leaks caused by damaged or warped flanges
  • Used in exhaust system repairs requiring a 3-1/8 inch bolt circle diameter flange
  • Helps restore proper exhaust sealing to reduce noise and emissions
  • Supports exhaust system modifications or custom installations on compatible vehicles

Installation Notes and Tips

When installing the AP Exhaust 8780 flange, ensure the mating surfaces are clean and free of debris to achieve a proper seal. Align the three 7/16 inch mounting holes carefully with the corresponding holes on the exhaust pipe or manifold. Use appropriate gaskets and torque specifications recommended for your vehicle make and model to prevent leaks and maintain system integrity.

Quality Assurance and Warranty

AP Exhaust manufactures the 8780 exhaust flange to meet industry standards for durability and fitment accuracy. While specific warranty details are not provided, AP Exhaust products are generally designed to withstand typical exhaust system conditions, including heat and vibration, ensuring reliable performance over time.

BrandAP Exhaust
Part Number8780
Bolt Circle Diameter3-1/8
Height3-7/8
Inside Diameter2-1/8
Length3-7/8
Mount Hole Diameter7/16
Mount Hole Quantity3

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.