SwitchPathâ„¢ Exhaust

From the masters of S4 performance, AWE proudly presents the B9 S4 exhaust solution. Signature AWE tone, performance, and options for every taste and budget. The SwitchPathâ„¢ valved solution is for those who want complete control of their S4's volume and tone, at their fingertips. The AWE SwitchPathâ„¢ Exhaust comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections which can be controlled via the SwitchPathâ„¢ Remote, or factory valve programming. Sneaking out in the morning? Keep the valve closed. Ready to rumble? Open the valve and let them know you're coming. All tip options include the AWE logo, and double walling to ensure a mirror finish even under hard usage. All tips are individually adjustable, allowing depth into the bumper to be set according to personal taste. Pro tip: we recommend and encourage pairing the SwitchPathâ„¢ Exhaust with the SwitchPathâ„¢ Remote versus using the factory operation for the best SwitchPathâ„¢ experience. Meet the perfected B9 S4 soundtrack.Note: you may notice a slight valve rattle upon cold start as you would with many factory valved systems. This sound will go away within a few minutes and you will be off to the races in no time.

Additional Information

AWE SwitchPathâ„¢ Exhaust for Audi B9 S4 - Non-Resonated - 4" Chrome Silver Tips

Product Overview

From the masters of S4 performance, AWE proudly presents the B9 S4 exhaust solution. Signature AWE tone, performance, and options for every taste and budget. The SwitchPathâ„¢ valved solution is for those who want complete control of their S4's volume and tone, at their fingertips. The AWE SwitchPathâ„¢ Exhaust comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections which can be controlled via the SwitchPathâ„¢ Remote, or factory valve programming. Sneaking out in the morning? Keep the valve closed. Ready to rumble? Open the valve and let them know you're coming. All tip options include the AWE logo, and double walling to ensure a mirror finish even under hard usage. All tips are individually adjustable, allowing depth into the bumper to be set according to personal taste. Pro tip: we recommend and encourage pairing the SwitchPathâ„¢ Exhaust with the SwitchPathâ„¢ Remote versus using the factory operation for the best SwitchPathâ„¢ experience. Meet the perfected B9 S4 soundtrack.Note: you may notice a slight valve rattle upon cold start as you would with many factory valved systems. This sound will go away within a few minutes and you will be off to the races in no time.

• 102mm double-walled tips available in Chrome Silver or Diamond Black
• Compatible with standard and sport differentials
• Controlled with optional handheld remote, or factory valve programming
• Direct bolt-on system, factory-like install simplicity
• Downpipes and precision-engineered x-pipe included in all editions
• Featuring the AWE Lifetime Exhaust Warranty
• Handcrafted from dual 2.5” CNC mandrel-bent U.S.-sourced .065” wall T304L stainless steel
• Less is more: clean, straight-through design maximizes performance
• Max gains of 16 hp and 17 lb-ft of torque at the crank (exhaust)
• No Check Engine Light - guaranteed
• Perfect fitment - guaranteed
• Proudly engineered, designed, and manufactured in-house at AWE, in the USA

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

SwitchPath Exhaust for Audi B9 S4 - Non-Resonated - Chrome Silver 102mm Tips

AWE Tuning SwitchPath Edition exhaust systems are available in a wide range of options to complement your particular vehicle. An unmatched piece of performance engineering, these systems unlock the perfect combination of exhaust tone, sound volume and practicality. SwitchPath incorporates a proprietary mechanical valve system that controls sound volume—from civilized to aggressive. Besides the incredible sound, drivers have experienced double-digit gains in both horsepower and torque. The cat-back or rear axle-back systems feature mandrel-bent .065 in. wall 304 stainless steel construction, with a variety of chambered/valved muffler, inlet/outlet, and tip choices. Examine the options available for your vehicle.

Additional product details:
• Minimal bends, maximum flow, push-button attitude
• Tip options include 102mm double-walled, slash-cut tips in chrome silver or diamond black
• Most models utilize factory valving
• Precision-engineered X-pipe to unlock clean, epic tone
• When the valves are closed, SwitchPath produces a refined aggressive howl while remaining full-bodied and powerful; no congested, metallic sounds when on the throttle. At cruising speeds, interior acoustics are close to stock.
• SwitchPath design allows driver to select volume
• In-cabin remote toggle
• Application-specific to guarantee perfect fitment