-10%
Click to zoom in
SKU: 400938 | UPC: 808422009386
Borla CrateMuffler Resonator Option 2.5in Center/Center 3.5in Round x 10in Part # 400938
The Borla 400938 is a universal resonator designed for CrateMuffler systems and any 2.5-inch exhaust setup. It attaches to reduce overall sound pressure by 2-3 dB(A) while maintaining straight-through flow for full power and torque. Ideal for tight spaces, this reversible part fits crate engines in hot rods, muscle cars, and performance builds.
Key Features
- Reversible Design: Installs in either direction for maximum flexibility in custom exhaust routing.
- T-304 Stainless Steel: Corrosion-resistant material ensures lifelong durability in harsh conditions.
- Straight-Through Flow: Attenuates sound without restricting exhaust flow or vehicle performance.
- Compact Dimensions: 3.5-inch round body x 10-inch long, 14-inch overall length fits limited space applications.
- USA-Made Quality: 100% welded construction with Million-Mile warranty for reliable long-term use.
Product Notes
- Perfect addition to Borla CrateMufflers or any 2.5-inch system to control interior and exterior noise.
- Natural mill finish allows brushing or polishing before install; no embossed logo.
- Product weight 5 lbs; ships in 16 x 6 x 6 inch box.
Installation Notes
- Professional installation recommended.
- Clamp-on connection at 2.5-inch center inlet and outlet for easy integration.
- Compatible with standard exhaust hardware; reversible orientation simplifies fitment.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Any | Borla CrateMuffler Systems | 2.5in Piping |
| Universal | GM | LS-Series Crate Engines | All |
| Universal | Ford | Small Block Crate Engines | All |
| Universal | Mopar | Hemi Crate Engines | All |
Why Choose Borla?
- Leaders in stainless steel exhaust since 1978 with wins in motorsports worldwide.
- Builds power-boosting systems with Borla Sound of Power for street and track.
- Engineered for precise fit, flow, and sound control in every component.
Frequently Asked Questions
-
Q: Does this resonator fit specific vehicles?
A: Universal design works with Borla CrateMufflers and any 2.5-inch center/center exhaust; ideal for LS, small block, and Hemi crate engine builds. -
Q: What material is used and does it rust?
A: High-grade T-304 austenitic stainless steel provides rust resistance and strength through 100% welded construction. -
Q: What warranty covers this part?
A: Backed by Borla's Million-Mile warranty when installed and maintained properly.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure box measuring 16 x 6 x 6 inches
- Weight: 5 lbs
Read More
Borla
Shop Borla exhaust systems at Black Ops Auto Works, your trusted source for Borla cat-back exhaust systems, axle-back exhausts, mufflers, resonators, exhaust tips, X-pipes, H-pipes, mid-pipes, and exhaust accessories. Borla is known for producing high-performance exhaust systems engineered for aggressive sound, improved exhaust flow, long-term durability, and vehicle-specific fitment. Whether you are upgrading a muscle car, performance car, truck, SUV, Jeep, or daily-driven street build, Borla exhaust products deliver the sound, quality, and performance enthusiasts demand. Shop Borla Cat-Back, Axle-Back & Exhaust Components At Black Ops Auto Works, we carry a wide selection of Borla exhaust parts for performance, sound, and style upgrades. Popular Borla Product Categories: Borla Cat-Back Exhaust Systems – Complete exhaust upgrades engineered for improved flow, tone, and performance Borla Axle-Back Exhaust Systems – Rear-section upgrades for refined sound and easy installati...
View Borla Products
Exhaust Systems
Shop performance exhaust systems at Black Ops Auto Works for cars, trucks, SUVs, and enthusiast builds. This collection includes premium cat-back exhaust systems, axle-back exhausts, turbo-back exhausts, headers, manifolds, downpipes, mufflers, resonators, exhaust tips, connecting pipes, X-pipes, Y-pipes, H-pipes, and catalytic converters designed to improve exhaust flow, sound, style, and overall performance. Whether you are upgrading a street car, tow rig, off-road build, diesel truck, muscle car, or track-focused vehicle, our exhaust selection is built around quality materials, proven fitment, and performance-driven design. Shop Exhaust Systems by Category Browse exhaust components and systems for a wide range of performance needs, including: Cat-back exhaust systems Axle-back exhaust systems Turbo-back exhaust systems Header-back exhaust systems DPF-back exhaust systems Downpipes Headers and exhaust manifolds Direct-fit catalytic converters Universal catalytic converters Muffle...
View Exhaust Systems Products
Mufflers
Welcome to our Mufflers collection, where performance meets style. Our curated selection offers a variety of mufflers to enhance your vehicle’s sound and efficiency. Whether you’re looking for a subtle upgrade or a loud statement piece, we have the perfect options for you. Why Choose Our Mufflers? High-Quality Materials: Crafted from durable materials to ensure longevity and reliability. Performance Enhancement: Designed to improve your vehicle’s exhaust flow and overall performance. Stylish Designs: Available in various styles to suit your personal taste and vehicle aesthetics. Easy Installation: Many of our mufflers come with easy-to-follow installation instructions for a hassle-free upgrade. Featured Products Check out some of our top-selling mufflers: Performance Muffler X1: Boosts horsepower while providing a deep, aggressive sound. Eco-Friendly Muffler Series: Designed to reduce emissions without compromising on performance. Customizable Muffler Kit: Personalize you...
View Mufflers Products
Mufflers & Resonators
Welcome to our exclusive Mufflers & Resonators collection! We have meticulously curated options to cater to all automotive enthusiasts. Whether you seek to enhance your vehicle's sound, improve performance, or simply replace worn-out parts, you'll find the perfect solutions here. Why Choose Our Mufflers & Resonators? High Quality: Each product is made from durable materials ensuring longevity. Enhanced Performance: Our selection is designed to improve exhaust flow for better horsepower. Sound Customization: Choose from a variety of sounds to match your style—from aggressive to subtle. Easy Installation: Most products come with straightforward installation instructions. Shop Our Top Products Explore some of our best-selling Mufflers & Resonators: Performance Muffler Series High-Flow Resonators Universal Muffler Kits Custom Exhaust Systems Customer Satisfaction Guaranteed We pride ourselves on providing excellent customer service. Our team is here to help you ch...
View Mufflers & Resonators Products