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MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
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Load image into Gallery viewer, MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
Load image into Gallery viewer, MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
Load image into Gallery viewer, MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
Load image into Gallery viewer, MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
Load image into Gallery viewer, MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
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MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304

Exhaust, Mufflers & Tips Catback
MBRP
mbrpS4601304
Backordered
September 1, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,049.99 $1,297.05
THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It’s the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great. Four 4in. Outside Diameter Tips Included, Valve Delete. Features & Benefits High-Flow Dual Mufflers with 21% Flow Increase. Improved Throttle Response. Enhanced Sound. 3in Mandrel Bent Tubing. High Flow Dual Mufflers Plus 21 Percent Increase In Flow Improved Throttle Response With Enhanced Sound 4 in. O.D. 304 Stainless Or Carbon Fiber Tips Helmholtz Resonator Technology 3 in. Mandrel Bent Tubing
MBRP 15-19 VW Golf R 3in Cat Back Single Exit Exhaust Pro Series w/ Valve Delete - T304 - S4603304
MBRP 15-19 VW Golf R 3in Cat Back Single Exit Exhaust Pro Series w/ Valve Delete - T304 - S4603304
$1,278.52 $1,034.99
MBRP 15-19 Subaru WRX 2.0L/STI 2.5L 3in Dual Split Rear Exit w/ 3.5in Tips - T304 (Street Version) - S4800304
MBRP 15-19 Subaru WRX 2.0L/STI 2.5L 3in Dual Split Rear Exit w/ 3.5in Tips - T304 (Street Version) - S4800304
$1,297.05 $1,049.99
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System - S4601304
SKU: mbrpS4601304
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It’s the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Four 4in. Outside Diameter Tips Included, Valve Delete.

Features & Benefits

  • High-Flow Dual Mufflers with 21% Flow Increase. Improved Throttle Response. Enhanced Sound. 3in Mandrel Bent Tubing.
  • High Flow Dual Mufflers Plus 21 Percent Increase In Flow
  • Improved Throttle Response With Enhanced Sound
  • 4 in. O.D. 304 Stainless Or Carbon Fiber Tips
  • Helmholtz Resonator Technology
  • 3 in. Mandrel Bent Tubing
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In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

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Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

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To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

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Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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