Cat-Back Exhaust - Quad Tip
Fits: 15-18 WRX/STI
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This item is currently backordered or its inventory is not tracked in real time. Once your order is placed, we will source it through the manufacturer or our distributor network and ship it as soon as possible. If you need the item by a specific date, please contact us for an estimated ship date before ordering.
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Pay over time · Est. $32.06/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
Pay over time · Est. $32.06/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
For your : Other cat-back exhausts for 15-21 WRX
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] 3in Dual Split Rear Exit Cat-Back Exhaust w/ 3.5in Tips - T304 - Race Version
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AWE Tuning [11-21 WRX/STI Sedan] Track Edition Cat-Back Exhaust - Diamond Black Tips
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AWE Tuning [11-21 WRX/STI Sedan] Track Edition Cat-Back Exhaust - Chrome Silver Tips
$1,195.00In stock
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Invidia [15-21 WRX/STI] Gemini R400 Signature Series Black Tip Cat-Back Exhaust
$1,655.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Q300 Cat Back Exhaust - Double Wall Titanium Tips
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Borla [15-21 WRX] [15-21 WRX STI] S-Type Cat-Back Exhaust - Polished Stainless Tips
$1,799.99In stock
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ETS [15-21 WRX/STI] Extreme Catback Exhaust Non Resonated Burnt Tips
$1,295.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Gemini R400 Cat-Back Exhaust - Titanium Quad Tips
$1,634.00In stock
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Invidia [15-21 WRX/STI] N1 Dual Cat-Back Exhaust - Titanium Tips
$1,157.00In stock
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AWE Tuning [15-21 WRX Sedan] Touring Edition Cat-Back Exhaust - Chrome Silver Tips
$1,595.00In stock
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Cobb Tuning [11-21 WRX Sedan, 11-21 STI Sedan] Stainless Steel GV/VA Cat-Back Exhaust
$1,565.00In stock
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Cobb Tuning [11-21* WRX/STI Sedan] Titanium Cat-Back Exhaust
$2,450.00In stock
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Borla [15-21 WRX/STI] S-Type Cat-Back Exhaust w/ Ceramic Black Steel Tips
$1,949.99In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] Armor Pro Race 3" Cat-Back Exhaust - Carbon Fiber Tips
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Invidia [15-21 WRX] [15-21 WRX STI] N1 Cat Back Exhaust w/ Bead Blasted Piping - Titanium Tip
$861.00In stock
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Remark [15-21 WRX/STI] R1-Spec Single-Exit Cat-Back Exhaust w/ Stainless Tip
$995.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] N1 Dual Burnt Titanium Tip Cat Back Exhaust - Sedan
$861.00In stock
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AWE Tuning [15-21 WRX Sedan] Touring Edition Cat-Back Exhaust - Diamond Black Tips
$1,595.00In stock
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Revel [08-21 WRX, 11-21 WRX STI] Medallion Ultra Ti Single Exit Titanium Cat-Back Exhaust
$1,161.00In stock
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HKS [15-21 WRX/STI] Legamax Premium Cat-Back Exhaust
$1,990.00In stock
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HKS [15-21 WRX/STI] Hi-Power Cat-Back Exhaust
$1,900.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Gemini R400 Cat-Back Exhaust - Stainless Steel Quad Tips
$1,535.00In stock
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Extreme Turbo Systems [15-21 WRX/STI] Cat-Back Exhaust
$1,295.00In stock
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OVERTAKE [02-26 WRX, 04-21 STI, 13-26 BRZ/GR86] Cat-Back Exhaust Refresh Kit - 3 in. Single Exit
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XForce [11-21 WRX / WRX STI Sedan] Cat-Back Exhaust - Quad 3.5in Tips
$1,125.00In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] 3in Dual Split Rear Exit Cat-Back Exhaust w/ 3.5in Carbon Fiber Tips - T304 - Race Version
$1,114.99In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Q300 Cat Back Exhaust - Quad Double Wall Stainless Steel Tips
$1,535.00In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] 3in Dual Split Rear Exit Cat-Back Exhaust w/ 3.5in Tips - T304 - Street Version
$1,114.99In stock
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Corsa Performance [15-21 WRX/STI] Sport Cat-Back Exhaust - Black Pro Series Tips
$1,928.99In stock
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HKS [15-21 WRX/STI] Hi-Power SPEC-L II Catback Exhaust w/ Burnt Tips
$1,800.00In stock
Fitment
Fitment
- 2015–2021 Subaru | WRX STI
- 2015–2021 Subaru | WRX
Description
Description
The BLOX Racing Cat-Back Exhaust for the 2015-2018 Subaru WRX and STI is a 3-inch system built from 100% T304 stainless steel with mandrel-bent, TIG-welded tubing. Dual high-flow mufflers each carry dual tips for a quad-tip exit, with a direct bolt-on fit using the included gaskets and hardware. Power and torque gains with a suitable, refined exhaust note.
- Fits 2015-2018 Subaru WRX and STI (per BLOX Racing vehicle applications)
- 3-inch 100% T304 stainless steel, mandrel-bent, TIG-welded
- Dual high-flow mufflers with dual tips each (quad-tip exit)
- Direct bolt-on; gaskets and hardware included
- BLOX Racing part BXEX-51001
Shipping and Delivery
Shipping and Delivery
Review our Shipping Policy for delivery details, shipping costs and exclusions.
Warranty and Support
Warranty and Support
Return and Refund
Return and Refund
Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.
Proposition 65
Proposition 65
Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov
