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Afe

aFe MACH Force XP 11-12 BMW 335i L6-3.0L N55 E90/92 304SS 2.75in. Cat-Back Exhaust System

SKU: AFE49-36306

Exhaust Systems

AFE Exhaust Cat Back...

Afe

Afe

aFe MACH Force XP 11-12 BMW 335i L6-3.0L N55 E90/92 304SS 2.75in. Cat-Back Exhaust System

SKU: AFE49-36306

Exhaust Systems

AFE Exhaust Cat Back...

A$4,097.75
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

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The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust pulse. Comes with dual 3.5 in. polished 304 stainless steel tips and muffler to build a mellow yet powerful sound. Engineered and manufactured in our Corona Ca manufacturing facility. All systems use factory mounting locations providing stability and hassle-free installation. High quality band clamps are used for a complete 360 deg. sealing surface. A free flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The crossover balance tube equalizes and evenly distributes exhaust pulses traveling through the exhaust system. This not only creates more efficient flow and better performance it also reduces sound decibels ultimately minimizing exhaust drone.

Additional Information

MACH Force-Xp 2-3/4 IN 304 Stainless Steel Cat-Back Exhaust System BMW 335i (E90/92) 11-12 L6-3.0L (t) N55

Part Type

Exhaust System Kit

Product Overview

The aFe Mach Force XP Exhaust System eliminates the use of the restrictive diesel particulate filter (DPF) for maximum performance and extreme mileage gains. This free flowing exhaust system is constructed out of durable 4" mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a clean installation. This system comes complete with all tubing, muffler, bayonet hangers, band clamps, thermocouple and pressure tap bungs and is finished off with a high luster polished 304 stainless steel, rolled, slash cut tip.

You will be shocked at the performance and mileage improvement you will see from this system. This system requires the use of a controller with a DPF-delete function. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

*Features*
• Bayonet Hangers - Swaged bayonet ends lock exhaust components into place for the most secure installation possible. Other manufacturers use less expensive bent hangers that allow tubes and parts to slide from side to side, causing premature wear and damage.
• Welded-on Hangers - Every hanger is thoroughly welded on each side to ensure a stronger connection, compared to other manufacturers who use only inferior floating hangers.
• Band Style Clamps - Premium-quality band clamps are used on critical joints to provide the tightest, leak-free seal possible. Other systems use common, less expensive U-bolt clamps.
• Mandrel Bent - All aFe tubing is 100% mandrel-bent. Mandrel bending ensures the tubing maintains its shape and size, providing smooth, unrestricted airflow. Standard tubing can lose as much as 20% of its diameter in sharp bends.

Additional Application Notes
• Incl. Clamps/Mufflers/Sectional Tubing; 2.75 in. Tubing; Stainless Steel; Incl. Clamps/Muffler/Hangers/Sectional Tubing/Hardware/3.5in. Polished Tips; +11hp/+13lbs. x ft of Torque

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-07 16:53:40

Features

  • 2 Year Limited Warranty
  • 2.75 in. Mandrel Bent 409 Stainless Steel Tubing
  • Bayonet Style Hangers For Easy Installation
  • High Flow Muffler
  • Maximum Flow
  • Polished Stainless Tip Included

Important Notice relating to US Domestic Market Trucks & Pickups

Many US-market trucks and pickups are available in multiple cab and bed-length configurations (e.g., Single Cab, Extended Cab, Double/Crew Cab, CrewMax, 5.5ft/6.5ft/8ft beds, etc.). Exhaust system fitment can vary between these chassis versions.

Where available, we list all compatible vehicles, cab types, and bed lengths in the product description. However, depending on your exact configuration, some systems may require optional extension/mid-pipes or minor modification for correct fitment.

Because of these variations, please carefully check your cab configuration and bed length before purchasing. If you are unsure, or if your vehicle has been modified, please reach out to a StreetFX agent.

(keyword: cat-back)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:MACH Force-Xp 2-3/4 IN 304 Stainless Steel Cat-Back Exhaust System
Exhaust Type:Cat-Back
Exit Location:Rear
Exit Position:Dual Rear
Exit Style:Straight
Horse Power Increase:11
Inlet Size (in.):2.75
Material:304 Stainless Steel
Muffler Finish:Polished
Muffler Included:Yes
Muffler Material:304 Stainless Steel
Outlet Size (in.):2.75
Part Number:afe49-36306
Sound Level:Aggressive
System Finish:Natural
System Material:304 Stainless Steel
Tip Cut:Slant
Tip Finish:Polished
Tip Included:Yes
Tip Material:304 stainless steel
Tip Outlet Size:3.5
Tip Quantity:Dual
Tip Size:3.5 in.
Torque Increase:13
Tubing Diameter:2.75

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.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 15:45:27

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Afe, Afe Power
StreetFX SKU afe49-36306
SFX Item ID 4371651
Accounting SKU afe-49-36306
Manufacturer SKU 49-36306
Manufacturer UPC 802959493069
Alternative References 49-36306, AFE-49-36306

Exhaust System, Mach Force XP, Cat-back, Stainless, Natural, Split Rear Exit, Polished Tips, BMW, 3.0L N55, Kit

aFe Mach Force XP exhaust systems are constructed of mandrel-bent stainless steel and come complete with free-flowing muffler(s), OE-style bayonet hangers, flanges, and band clamps, plus all hardware necessary for a hassle-free installation. Offered in single, dual, or quad muffler configurations, their smooth curves and large diameter tubes help reduce restriction and keep exhaust gas flowing smoothly for increased horsepower and torque.

Available in cat-back, axle-back, and downpipe-back designs, almost all Mach Force XP exhausts are direct bolt-on systems that require no cutting or drilling and include all necessary hardware for a hassle-free installation. Most also include wrinkle-black powdercoated or polished 304 stainless steel tip(s) with a laser-cut stainless steel aFe power badge. Select models have carbon fiber tips with CNC-machined laser-etched inserts. aFe Mach Force XP exhaust systems are an ideal combination of performance, fit, and value.

Additional features include:
• Fit a variety of light trucks and cars, including European models
• Available with 409 or 304 stainless tubing (varies by model)
• "Stepped design" models increase exhaust velocity creating a broader torque curve throughout the rpm range
• Straight-through, free-flowing stainless steel mufflers absorb high-pitch tones producing powerful sound
• Leak-free 360-degree sealing
• Stable pipe location in high-vibration and high-heat conditions
• Bayonet tips hold hanger bushings in place for an OE-style fit
• Several versions convert OE single exhaust to dual exhausts
• Where applicable, incorporates an exhaust valve that uses the OE exhaust valve motor (not included) to regulate exhaust flow
• Some systems use a unique resonance chamber to replace the OE muffler; produces a weight savings of up to 15 lbs.
• Hi-Tuck design of specific models provide extra ground clearance when using an aftermarket suspension kit

Note: Some aFe Mach Force XP systems are "Race Only" products solely for competition use. Their use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state, and federal laws.

Product Attributes
BrandAFE Power
Manufacturer's Part Number49-36306
Part TypeExhaust Systems
Product LineaFe Mach Force XP Exhaust Systems
UPC802959493069
System Material304 stainless steel
System StyleCat-back
Exhaust TypeDual
Exit LocationSplit rear
System FinishNatural
Catalytic Converter(s) IncludedNo
Intermediate Pipe Diameter (in.)2.75 in.
Muffler IncludedYes
Muffler QuantityTwo
Muffler ConfigurationSingle inlet/Single outlet
Muffler StyleWrapped perforated core
Muffler Material304 stainless steel
Muffler FinishNatural
Hardware IncludedYes
Tailpipe Diameter (in.)2.75 in.
Tip IncludedYes
Tip Outlet Size (in.)3.50
Tip Quantity2
Tip ShapeRound
Tip CutSlant
Tip Edge StyleRolled edge
Tip Material304 stainless steel
Tip ColorPolished
RemanufacturedNo
QuantitySold as a kit.
NotesFits 2011-12 BMW 335i E90 sedan and E92 coupe models with N55 3.0L L6 engines.
Special AttentionIt is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.

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