SPDZ1 LTR Race Muffler - 3" Inlet 4” Outlet
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: SPDZ1-LTR
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.
**** 8/11/2025 This is a PRE-ORDER item and will start officially shipping in the first week of September 2025
Buy It With
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.