4" or 5" Stainless Straight Pipe (30") — “T-Rex Straight-Through” Muffler Replacement When your exhaust needs a clean, straight shot, this stainless replacement pipe delivers prehistoric-level simplicity and strength. Built for durability, easy fit-up, and DIY flexibility—this is the backbone for a proper exhaust refresh. Available Sizes 4" inlet / 4" outlet 5" inlet / 5" outlet Overall Length: 30" Built to Survive Real Conditions Premium Stainless Steel High-quality stainless construction helps resist rust and corrosion for long-lasting performance. Easy Fit-Up Design Flared + Slotted Ends Both ends are designed with flares and slots to make installation easier and allow for a more forgiving slip-fit connection. Clean, Simple, Functional Smooth Finish Smooth exterior helps reduce sharp-edge handling issues. Cut-to-Fit DIY Ready Straight design makes it easy to trim to length and integrate into a custom exhaust setup. Wide Applications (Measure First) Fits many vehicles that use a 4" or 5" exhaust section of muffler that needs to be replaced. Important Fitment Note Before ordering, measure your existing exhaust to confirm the correct diameter (4" or 5") and verify that 30" length fits your replacement plan.