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Apr

APR 18-25 Audi SQ5 (B9) Catback Exhaust System

SKU: APRCBK0057

APR Catback Exhaust Systems

Apr

APR 18-25 Audi SQ5 (B9) Catback Exhaust System

SKU: APRCBK0057

APR Catback Exhaust Systems

Sale ends in Calculating...

A$2,376.70 A$3,703.95
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Unmatched Design and Precision Engineering

Product Overview

The APR Rear Catback Exhaust System for your Audi B9 SQ5 introduces a deeper and more aggressive growl to your vehicle’s exhaust note. The system is a direct bolt on with your factory exhaust system or can be combined with the APR Midpipe Exhaust System for a more refined and more powerful full catback experience! Inspired by the larger center-pipe design of the higher-output RS4 and RS5 models, this system is engineered to boost performance and elevate sound. Crafted from premium materials and built with advanced manufacturing techniques, this system is will withstand harsh conditions and deliver lasting performance. Expect a bold, aggressive growl at wide-open throttle, along with a gain of 5 AWHP and 6 AWFT-LBS or an impressive gain of 10 AWHP and 12 AWFT-LBS when combined with the APR Midpipe Exhaust System!


Features and Benefits

  • Plug-and-Play with APR Midpipe System or factory system.
  • Performance gains of 5 AWHP and 6 AWFT-LBS of torque on their own or 10 AWHP and 12 AWFT-LBS of torque when combined with the APR Midpipe System.
  • Premium T304 stainless steel construction with TIG welding for strength and durability.
  • Optimized flow through dual 2.75” midpipes to single 3.5” midpipe exiting through dual 3” downturns.
  • Mandrel-bent brushed piping paired with electropolished cast splitters for a refined finish.
  • Precision brackets and slip clamps ensure accurate alignment and hassle-free installation.
  • Integrated muffler minimizes drone and enhances sound quality.
  • Valve-controlled rear muffler dynamically adjust sound based on driving style.
  • Smooth transitions and straight-through components maximize performance by reducing restrictions.
  • Strikes the perfect balance of power, sound, style, and quality for enthusiasts.
  • Fully emissions compliant for worry-free operation.

Product Details

Year Make
Brackets:Precise
Brand:APR
Category:Exhaust
Clamping Type:Slip Clamp
Clamps Included:Yes
Description:APR Rear Catback Exhaust System - SQ5 (B9)
Emission Code:6
Exhaust Tip Quantity:0
Finish:Brushed
Grade Type:Performance
Hangers Included:Yes
Main Piping Diameter:3.00
Material:T304 Stainless Steel
Muffler Finish:Brushed
Muffler Quantity:1
Muffler Type:Sound Absorption
Part Number:aprCBK0057
Pipe Bend Type:Mandrel
Pipe Material:T304 Stainless Steel
Product Type:Exhausts (Catback Systems)
Sub Category:Exhaust and Tail Pipes
System Type:Catback
Tail Pipe Outlet Outside Diameter:3
Tube Connection:Butt Joint
Valve Included:Yes
Valve Type:OEM
Version:Catback
Warning:California Proposition 65
Welding:TIG

Data: v4.2 - Upd: 2026-10-02 23:26:35

Features

  • Fully emissions compliant for worry-free operation.
  • Integrated muffler minimizes drone and enhances sound quality.
  • Mandrel-bent brushed piping paired with electropolished cast splitters for a refined finish.
  • Optimized flow through dual 2.75” midpipes to single 3.5” midpipe exiting through dual 3” downturns.
  • Performance gains of 5 AWHP and 6 AWFT-LBS of torque on their own or 10 AWHP and 12 AWFT-LBS of torque when combined with the APR Midpipe System.
  • Plug-and-Play with APR Midpipe System or factory system.
  • Precision brackets and slip clamps ensure accurate alignment and hassle-free installation.
  • Premium T304 stainless steel construction with TIG welding for strength and durability.
  • Smooth transitions and straight-through components maximize performance by reducing restrictions.
  • Strikes the perfect balance of power, sound, style, and quality for enthusiasts.
  • Valve-controlled rear muffler dynamically adjust sound based on driving style.

Specifications

Year
Make
Brackets:
Precise
Brand:
APR
Category:
Exhaust
Clamping Type:
Slip Clamp
Clamps Included:
Yes
Description:
APR Rear Catback Exhaust System - SQ5 (B9)
Emission Code:
6
Exhaust Tip Quantity:
0
Finish:
Brushed
Grade Type:
Performance
Hangers Included:
Yes
Main Piping Diameter:
3.00
Material:
T304 Stainless Steel
Muffler Finish:
Brushed
Muffler Quantity:
1
Muffler Type:
Sound Absorption
Part Number:
aprCBK0057
Pipe Bend Type:
Mandrel
Pipe Material:
T304 Stainless Steel
Product Type:
Exhausts (Catback Systems)
Sub Category:
Exhaust and Tail Pipes
System Type:
Catback
Tail Pipe Outlet Outside Diameter:
3
Tube Connection:
Butt Joint
Valve Included:
Yes
Valve Type:
OEM
Version:
Catback
Warning:
California Proposition 65
Welding:
TIG

Reference Information

Brand Name/s Apr
StreetFX SKU aprCBK0057
SFX Item ID 6853618
Supplier Item Code 6853618
Manufacturer SKU CBK0057
Manufacturer UPC 810009935551
Alternative References SQ5, (B9)

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