Banks massive 3.5" boost tubes are the largest on the market, flowing 26-45% more air than stock! Smooth mandrel-bent tubes deliver more air to your engine while reducing boost pressure loss resulting in quicker turbo spool and more power.

• Huge increase in size and flow over stock and competitors (3.5" vs 2.5")
• Hot Side flows 490 CFM @ 12" vs stock 388 CFM
• Cold Side flows 635 CFM @ 12" vs stock 435 CFM
• Constant 3.5in diameter tubing for the best flow
• Billet venturi couplers maintain boost pressure
• Mandrel-bent aluminized steel construction
• Allow the turbocharger to spool up faster
• Spring-loaded constant tension clamps
• Improves airflow by over 26% and 45%
• 5-ply heavy-duty silicone couplers
• Bung for a temperature probe