Exhaust Mufflers and Resonators

AP Exhaust Products

GLASSPACK XLERATOR ENFORCER STRAIGHT 4IN CASE 2.5IN CORE 2.5IN NECKS 18IN

$39.28

SKU: A01W 40121135S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Crafted from heavy-duty, 15-gauge aluminized steel, it features a spiral louvered inner core to increase efficiency and decrease backpressure. This muffler is available in various lengths, diameters, and inlet/outlet configurations to fit a wide range of vehicles.

The muffler has a 2.50-inch inlet and outlet diameter, both located centrally. It features a round case shape with an exterior length of 12 inches and an outside diameter of 4 inches, with an overall length of 18 inches. The internal construction utilizes a spiral louver design, and it is not reversible.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAP Exhaust Products
Part NumberA01W 40121135S

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy