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The LARGE Bore HD exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. The system is available in a 4 in. down-pipe back without muffler. LARGE Bore HD exhaust systems are the perfect combination of performance, fit and value. This is a Race Only product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, stat and federal laws.
|Exhaust Type||Down Pipe-Back|
|Exit Position||Rear Side|
|Exit Style||Turn Out|
|Inlet Inside Diameter (in.)||4|
|Outlet Outside Diameter (in.)||4|
*Some manufacturer restrictions apply.
aFe, or Advanced FLOW Engineering is one of the industry leading manufacturers of cold air intakes, air filters, oil filters and all things related to optimizing your air induction. Once you have all those nifty throttle body spacers and a gaping turbo manifold, you’ll definitely need a fuel adjustment. aFe has you covered there too. They offer many different programmers that will keep your ride well fed and offering ideal gas milage. Founded in 1999 in SoCal, aFe continues to raise the bar and keep your engine well aspirated!
Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.
The best modders use Wheelwell to build their dream rides.