SPDZ1 Muffler Delete Axle-Back Quad Tip Exhaust – 2021+ Lexus IS300 / IS350 Transform the sound and presence of your Lexus IS with the SPDZ1 Muffler Delete Axle-Back Quad Tip...
Transform the sound and presence of your Lexus IS with the SPDZ1 Muffler Delete Axle-Back Quad Tip Exhaust, engineered for drivers who want a more aggressive tone and a sportier rear profile without compromising fitment or quality.
This axle-back system replaces the restrictive factory mufflers with free-flowing mandrel-bent stainless piping, unlocking a deeper, louder exhaust note and sharper throttle response. Designed as a true bolt-on upgrade, the SPDZ1 system installs cleanly using factory mounting points for an OEM-style fit with a performance edge.
Finished with quad double-wall slant-cut tips, this exhaust not only sounds aggressive but visually elevates the rear of the IS300 / IS350 with a clean, high-end appearance worthy of the Lexus badge.
Key Features
Muffler Delete Axle-Back Design for increased volume and aggressive tone
Precision mandrel-bent 2.5” piping for smooth exhaust flow
Constructed from T-304 stainless steel for durability and corrosion resistance
True bolt-on installation — no cutting or welding required
Retains factory exhaust mounting locations for proper fitment
Noticeable improvement in exhaust sound and throttle response
Exhaust Tips
Quad Tip Exit (Dual per side)
4” Double-Wall Tips for a premium finish
Slant-Cut Design for a sporty, aggressive look
Available finishes:
Anodized Silver
Chrome
Technical Specifications
Vehicle Fitment: 2021-Up Lexus IS300 / IS350
System Type: Axle-Back Muffler Delete
Pipe Diameter: 2.5”
Material: T-304 Stainless Steel
Pipe Construction: 16-Gauge, Mandrel Bent
Tip Wall: Double Wall
Exit Style: Quad Tips
What’s Included
1 × Pair of SPDZ1 Muffler Delete Axle-Back Pipes
3 × Pairs of Exhaust Hangers
All necessary hardware for installation
Why Choose SPDZ1
SPDZ1 exhaust systems are built for enthusiasts who want sound, style, and reliability in one package. This muffler delete axle-back delivers a bold exhaust note and aggressive appearance while maintaining clean fitment and daily-drivable quality.