SKU: 30086178834

Fits 1967-1981 Pontiac Firebird Straight Through Muffler-Stainless SM11229-JHPR

Sale price$68.39 Regular price$75.99
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Description

Fits 1967-1981 Pontiac Firebird Straight Through Muffler-Stainless SM11229-JHPRStreet Max, Stainless Straight Through Performance Muffler, 4. 0" x 9. 0" x 14. 0" Oval Body, Aggressive to Moderate Tone, 16 Gauge 409 Grade Stainless Steel, Satin Finish, 3. 0" Offset In, 3. 0" Center Out, Reversible, 3 Year Limited Warranty. Features: Straight Through Design (fully reversible) Improved Horsepower and Torque 409 Grade 16 Gauge Stainless Steel Construction High Heat Thermal Mesh Effective Drone Reduction Aggressive Moderate Tone

Street Max, Stainless Straight-Through Performance Muffler, 4.0" x 9.0" x 14.0" Oval Body, Aggressive to Moderate Tone, 16-Gauge 409-Grade Stainless Steel, Satin Finish, 3.0" Offset In, 3.0" Center Out, Reversible, 3 Year Limited Warranty.


Features:

  • Straight-Through Design (fully reversible)
  • Improved Horsepower and Torque
  • 409-Grade 16-Gauge Stainless Steel Construction
  • High-Heat Thermal Mesh
  • Effective Drone Reduction
  • Aggressive/Moderate Tone

Specs:

Body Length (IN) 14
Body Type Oval
Finish High-Heat Thermal Mesh
Inlet Configuration Offset
Inlet Diameter (IN) 3
Material 409-Grade 16-Gauge Stainless Steel
Outlet Configuration Center
Outlet Diameter (IN) 3
Overall Length (IN) 20
Prop 65 - Short Label prop65_warning.jpg
Prop 65 (C, R or CR) CR
Prop 65 Yes/No Yes
Series 4 inx9 in Oval

Application:

Year Make Model Submodel
1967-1981 Pontiac Firebird
1987-1991 Chevrolet Blazer
1987-1991 GMC R1500 Suburban
1994-1997 Dodge Ram 1500
2000-2014 Chevrolet Suburban 1500
2000-2022 Dodge Durango
2000-2014 GMC Yukon XL 1500
2001-2022 Chevrolet Tahoe
2001-2022 GMC Yukon
2002-2006 Chevrolet Avalanche 1500
2007-2013 Chevrolet Avalanche
2008-2013 Chevrolet Silverado 1500
2008-2013 GMC Sierra 1500
2014-2022 Chevrolet Suburban
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: 30086178834

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4.3 ★★★★★
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Rachel
New York, US
★★★★★ 4
Value, Durability, Everyday Use
What I liked: - Price-to-value is the standout. These were significantly better priced than similar packs I’ve bought from local grocery stores and big discount retailers. - For everyday, disposable use—think casseroles, baked pasta, brownies, roasted veggies—the lighter weight is perfectly fine. - They stack neatly and are easy to store, which matters when you’re buying in bulk. What I didn’t like: - They’re a bit flimsier and not as thick as the store-brand pans I’ve used before. You can feel the difference when you handle them. - For heavier dishes (large lasagnas, big roasts, or anything dense with sauces), a single pan can flex more than I’d like. How I used them: - Over the past couple of weeks, I’ve used these for baking brownies, roasting chicken thighs with vegetables, and prepping freezer meals. When I expected more weight or lots of liquid, I doubled up the pans, which solved the flex issue and kept everything stable. - I also tested bending one to compare sturdiness. In the accompanying video, you’ll see me gently flexing the pan to show the “give.” In the photo, I placed this pan next to a thicker pan I bought at a regular store so you can see the difference in gauge. My takeaway: - If you need heavy-duty pans for very weighty dishes, these aren’t a perfect one-for-one replacement for thicker, premium options. However, for routine baking, storage, and serving—especially when you plan to toss the pan afterward—the cost savings make a lot of sense. - Doubling them for heavier recipes is a simple workaround that maintains stability while still keeping the overall cost lower than buying thicker single-use pans. Verdict: - I’ll be purchasing these again for everyday use and bulk meal prep. The value is strong, and the performance is solid when you match the pan to the job or double up as needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
R
Verified Purchase
Rose S.
Lowell, US
★★★★★ 5
Easy clean up
Sturdy. Various uses.
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Reviewed in the United States on March 7, 2026
C
Verified Purchase
Cindy Talley
Bozeman, US
★★★★★ 5
pans
good
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Reviewed in the United States on January 31, 2026
M
Verified Purchase
Monstee71
Los Angeles, US
★★★★★ 2
Terrible!!
VERY lightweight and flimsy. I wouldn't trust these pans with anything! Oh... they might be okay for serving potato chips or popcorn.
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Reviewed in the United States on May 24, 2026
S
Verified Purchase
Sherry
Omaha, US
★★★★★ 5
Great item - works great, good value.
Great value - heavy duty and works great!!! Will purchase again. I always like to keep this size on hand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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