OPGI.com works best with JavaScript enabled.
Last-Minute Shopping? Save up to 20% on Restoration! - use code: WINTERSALE
1‑800‑243‑8355
  • As seen on
  • Wrench'd
  • Speed is the New Black
Photo of Muffler, Smithy's Glasspack, 30
Illustrative Only

Patriot Exhaust

Muffler, Smithy's Glasspack, 30", 2-1/4" Inlet/Outlet, 2-1/4" Core

Vehicle Specific View fitment for 27 models
Part# PAT3015
Mfg# H3015
Sold As Each
$99.99
List Price: $110.95
You Save $10.96
Low Stock
Only a few left for immediate delivery
Add To Wishlist 

Add an authentic glass pack sound with Smithy’s mufflers. The mufflers are available in a variety of sizes and feature 3-1/2” diameter cases as well as double end caps for a genuine look and tone. Each muffler is finished in the signature Smithy’s hammertone paint for a classic look.

Notes

  • I = inlet and O = outlet.
  • This item is not eligible for any further discounts or promotional pricing.
4
This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. Learn More

Find Item In These Catalogs

  • 2024 Cadillac 1936-1993 142
  • 2024 Chevelle, El Camino 64-77 391
  • 2024 Cutlass, F-85 & 442 61-77 256
  • 2024 GM G-Body 1978-1988 212
  • 2024 Grand Prix 1962-77 223
  • 2024 GTO, LeMans & Tempest 284
  • 2024 Monte Carlo 70-77 245
  • 2024 Riviera 1963-76 125
  • 2024 Skylark, GS & GSX 61-72 227
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National 2-1/4" I/O, 2-1/4" Core - 30"
1984–1987 Buick Grand National 2-1/4" I/O, 2-1/4" Core - 30"
1978–1987 Buick Regal 2-1/4" I/O, 2-1/4" Core - 30"
1963–1976 Buick Riviera 2-1/4" I/O, 2-1/4" Core - 30" long
1961–1972 Buick Skylark 2-1/4" I/O, 2-1/4" Core - 30"
1983–1987 Buick T-Type 2-1/4" I/O, 2-1/4" Core - 30"
1938–1953 Cadillac 60 Special 2-1/4" I/O, 2-1/4" Core - 30" Long
1959–1993 Cadillac DeVille 2-1/4" I/O, 2-1/4" Core - 30" Long
1953–1993 Cadillac Eldorado 2-1/4" I/O, 2-1/4" Core - 30" Long
1954–1993 Cadillac Fleetwood 2-1/4" I/O, 2-1/4" Core - 30" Long
1939–1951 Cadillac Series 60 2-1/4" I/O, 2-1/4" Core - 30" Long
1939–1951 Cadillac Series 61 2-1/4" I/O, 2-1/4" Core - 30" Long
1940–1964 Cadillac Series 62 2-1/4" I/O, 2-1/4" Core - 30" Long
1939–1951 Cadillac Series 63 2-1/4" I/O, 2-1/4" Core - 30" Long
1940–1964 Cadillac Series 65 2-1/4" I/O, 2-1/4" Core - 30" Long
1936–1953 Cadillac Series 70 2-1/4" I/O, 2-1/4" Core - 30" Long
1976–2004 Cadillac Seville  
1964–1977 Chevrolet Chevelle 2-1/4" I/O, 2-1/4" Core - 30"
1964–1987 Chevrolet El Camino 1964–1977: 2-1/4" I/O, 2-1/4" Core - 30"
1978–1987: 2-1/4" I/O, 2-1/4" Core - 30"
1978–1983 Chevrolet Malibu 2-1/4" I/O, 2-1/4" Core - 30"
1997–2022 Chevrolet Malibu  
1970–1988 Chevrolet Monte Carlo 1970–1977: 2-1/4" I/O, 2-1/4" Core - 30"
1978–1988: 2-1/4" I/O, 2-1/4" Core - 30"
1961–1987 Oldsmobile Cutlass 1961–1977: 2-1/4" I/O, 2-1/4" Core - 30"
1978–1987: 2-1/4" I/O, 2-1/4" Core - 30"
1958–1977 Pontiac Bonneville 2-1/4" in/out, 2-1/4" Core - 30" long
1982–1986 Pontiac Bonneville 2-1/4" I/O, 2-1/4" Core - 30"
1959–1977 Pontiac Catalina 2-1/4" in/out, 2-1/4" Core - 30" long
1962–1987 Pontiac Grand Prix 1962–1977: 2-1/4" in/out, 2-1/4" Core - 30" long
1978–1987: 2-1/4" I/O, 2-1/4" Core - 30"
1964–1973 Pontiac GTO 2-1/4" I/o, 2-1/4" Core - 30"
1961–1974 Pontiac LeMans 1961–1973: 2-1/4" I/o, 2-1/4" Core - 30"
1961–1970 Pontiac Tempest 2-1/4" I/o, 2-1/4" Core - 30"
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Muffler, Smithy's Glasspack, 30
Patriot Exhaust Muffler, Smithy's Glasspack, 30", 2-1/4" Inlet/Outlet, 2-1/4" Core