Speedzone Performance LLC
SPDZ1 LTR Race Muffler - 3" Inlet 4” Outlet
SPDZ1 LTR Race Muffler - 3" Inlet 4” Outlet
Couldn't load pickup availability
SPDZ1 LTR Race Muffler 3” Inlet | 4” Pie-Cut Turndown Outlet | High-Performance T304 Stainless Steel
Engineered for racers and performance enthusiasts, the SPDZ1 LTR Race Muffler delivers the perfect balance of aggressive exhaust tone, free-flowing performance, and show-quality craftsmanship.
Featuring a straight-through, round-body design, this muffler minimizes exhaust restriction, improves horsepower, and gives your vehicle an unmistakable deep race note. The standout 4” pie-cut turndown tip not only directs exhaust flow efficiently but also adds a custom, motorsport-inspired look.
Key Features
- 3” Inlet – Optimized for high-flow exhaust systems
- 4” Pie-Cut Turndown Tip – Precision TIG-welded and back-purged for strength and beauty
- Polished T304 Stainless Steel Construction – Corrosion-resistant, lightweight, and built to last
- Premium Multi-Layer High-Temp Packing – Long-lasting sound control without compromising flow
- 6.0” Diameter Round Body – Provides excellent sound suppression while maintaining aggressive tone
- Slip-Fit Inlet Design – Flared to fit over your exhaust piping for easy installation includes exhaust clamp for easy, quick install
Specifications
- Muffler Body Length: 13.75”
- Overall Length (with inlet): 16.0”
- Body Diameter: 6.0”
- Tip Diameter: 4.0” (Pie-Cut Turndown Style)
- Material: Polished T304 Stainless Steel
- Construction: Fully TIG-Welded & Argon Back-Purged
- Includes Heavy Duty Clamp for easy installation
- 3” Inlet Diameter with slit opening for easy expansion or slip fit
Why Choose the SPDZ1 LTR?
This muffler is designed for serious performance applications — from street builds to full track cars — offering exceptional flow, aggressive sound, and a premium handcrafted finish. Every weld and curve is built to withstand the heat and stress of motorsport use.
Note: This is a race-oriented muffler. Sound levels and emissions compliance may vary by region. Please check local regulations before installation.

Collapsible content
DETAILS
Provide details like specifications, materials, or measurements.
Add an image in your Collapsible content settings for more visual interest.
TIPS
Share expert tips on how to use this product or pair it with other items.
SHIPPING
List the details of your shipping policy.