Sign Up to Get
10% Off Your Next Order!
+ 500 FREQUENT BUYER POINTS
Be among the first to receive Weekly Specials & OPGI News.
10% off restoration parts only. 500 Frequent Buyer Points added after promotional order ships. See welcome email for full details.
Sign up for texts from OPGI, and get all our best offers and more!
By subscribing to OPGI text messaging at 80205, you agree to receive recurring autodialed marketing text msgs (e.g. cart reminders) to the mobile number used at opt-in. Consent is not a condition of purchase. Msg frequency may vary. Msg & data rates may apply. Reply HELP for help and STOP to cancel. See Terms and Conditions & Privacy Policy.
ADDED TO YOUR CART!
Muffler, 4" Round Glasspack, Magnaflow, 3" Inlet/Outlet, 18" Body, Aluminized
ADDED TO YOUR WISHLIST!
The MagnaFlow 4" Round Glasspack features the same classic deep sound and dyno-proven performance of our other glasspack mufflers. The 3/3in. round body and reversible straight-through universal design can be integrated into your vehicle’s exhaust system however you see fit, although professional installation is recommended. Check to ensure compliance with local noise regulations. This free-flowing muffler is engineered to add a dose of hot rod fury to your ride. Featuring durable, corrosion resistant aluminized steel construction and is produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s 90-day limited construction warranty.
Find parts that fit your vehicle