SKU: 5359788535

Tailpipe Kit 65"-73" Mustang 67"-73" Cougar 2.5"in Flowmaster

$103.02 $114.47
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Tailpipe Kit 65"-73" Mustang 67"-73" Cougar 2.5"in FlowmasterOverview: These Builder Series tailpipes are constructed from 2. 50 inch mandrel bent 16 gauge aluminized steel tubing for maximum flow, tuck up high in the chassis for good clearance and exit straight out the back under the rear bumper. Designed to be used with Side Inlet Center Outlet mufflers such as part# 942546 (Super 44 Series) or 942551 (50 Series) mufflers. Covered by our 3 year Limited Warranty. Note: Not designed to fit in factory bumper

Overview:

These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge aluminized steel tubing for maximum flow, tuck up high in the chassis for good clearance and exit straight-out the back under the rear bumper. Designed to be used with Side Inlet/Center Outlet mufflers such as part# 942546 (Super 44 Series) or 942551 (50 Series) mufflers. Covered by our 3-year Limited Warranty. Note: Not designed to fit in factory bumper cutouts. Some fitment may be necessary. Does Not include installation hardware or exhaust tips. Does not fit cars with staggered shocks.

Features:

  • Designed for Center Inlet/Side Outlet Mufflers
  • Exits Out the Sides Behind the Rear Wheels
  • Mandrel-bent for Maximum Performance
  • High Clearance around Rear Differential
  • 16 Gauge Aluminzed Steel Tubing
  • Does Not Include Hardware
  • 3-year Limited Warranty

    • Specs:

  • Brand: Flowmaster
  • Clamps Included: No
  • Color: Gray
  • Emission Code: 5
  • Exit Style: Dual Rear Exit
  • Finish: Aluminized
  • Fitment: Direct Fit
  • Flanged Inlet: No
  • Grade Type: Performance
  • Inlet Connection: Slip-Fit
  • Inlet Diameter: 2.5
  • Inlet Inside Diameter: 2.5
  • Inlet Outside Diameter: 2.63
  • Main Piping Diameter: 2.5
  • Material: Aluminized Steel
  • Outlet Connection: Slip-Fit
  • Outlet Diameter: 2.5
  • Outlet Inside Diameter: 2.5
  • Outlet Outside Diameter: 2.63
  • Overall Length: 58.5
  • Pipe Bend Type: Mandrel
  • System Type: Tailpipe Kit
  • Tubing Diameter: 2.5
  • Universal Or Specific Fit: Specific Fit
  • Welded Bracket Quantity: 0
  • Welded Hanger: No
  • Part Number: 15807

    • Applications:

    • 1964-1968 Ford Mustang 289 CID
    • 1964-1965 Ford Mustang 260 CID
    • 1967-1970 Ford Mustang 428 CID
    • 1967-1969 Ford Mustang 390 CID
    • 1968-1973 Ford Mustang 302 CID
    • 1968-1968 Ford Mustang 427 CID
    • 1971-1971 Ford Mustang 429 CID
    • 1967-1970 Mercury Cougar 390 CID
    • 1967-1968 Mercury Cougar 289 CID
    • 1968-1970 Mercury Cougar 428 CID
    • 1968-1970 Mercury Cougar 302 CID
    • 1968-1968 Mercury Cougar 427 CID
    • 1969-1973 Mercury Cougar 351 CID
    • 1969-1971 Mercury Cougar 429 CID
    • 1973-1973 Mercury Cougar 400 CID
    • 1973-1973 Mercury Cougar 460 CID

    Emissions:

    • This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 5359788535

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    4.6 ★★★★★
    Based on 25 reviews
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    R
    Verified Purchase
    rpeters
    Draper, US
    ★★★★★ 5
    Great for my hot rod!
    Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
    Perfect oil for my hot rod! Add a bottle of zinc and you get great low temp flow as well as good heat protection. As a 0W it flows quickly for good start up protection and the 40W means I get good protection as temps rise. My car has a flat tappet hydraulic cam so I add a bottle of zinc. Has worked great!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 19, 2026
    E
    Verified Purchase
    Evan C. Lombardi
    Fort Morgan, US
    ★★★★★ 5
    European oil… Japanese engine… zero regrets 🇪🇺➡️🇯🇵
    Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40, Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
    Yes, I know what the label says. “European Car Formula.” Yes, I put it in a 2002 Subaru WRX bugeye with an EJ257 block and EJ205 heads. And yes—this oil absolutely slaps. This engine is not stock, not delicate, and definitely not living an easy life. It sees spirited driving, boost, and the occasional questionable decision. After switching to Mobil 1 0W-40, cold starts are smoother, oil pressure is rock solid, and the motor just feels happier. No weird noises, no drama, no oil consumption surprises. The viscosity is perfect for a performance Subaru build, especially if you’re running tighter tolerances or want strong protection under heat and load. It’s thick enough when hot, flows great when cold, and inspires confidence every time I turn the key. Is it technically “European”? Sure. Does my Subaru care? Not even a little. If you’re running a built engine, turbo setup, or just want a proven, high-quality oil that punches above its weight, this stuff earns its reputation. My bugeye may not be European, but it’s living its best life on this oil. Would absolutely buy again—passport not required.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 18, 2026
    R
    Verified Purchase
    Ruben
    Waukegan, US
    ★★★★★ 4
    Great oil
    Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
    No issues
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 17, 2026
    J
    Verified Purchase
    Jose Perez
    Waukegan, US
    ★★★★★ 5
    they give what they offer
    Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
    great service from seller it was exactly how much oil quantity i ordered and its great quality
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026
    G
    Verified Purchase
    Gregory Allen DeAtley
    Cuba, US
    ★★★★★ 5
    Works great
    Number of Items: 4, Style: SILZKAR7B11
    Exactly what it is supposed to be ! Good service
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2026

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