Doorbusters BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 3 Series E30 (1984-1991)

Turner Motorsport E30 Performance Kit - Includes Chassis Mount Skid Plate!

Elevate your E30’s performance and protection with our exclusive Turner Motorsport bundle, featuring the all-new E30 325 Performance Cat-Back Exhaust System paired with a complimentary E30 Chassis Mount Skid Plate Kit. Engineered to enhance power, durability, and style, this package is a must-have upgrade for any BMW E30 enthusiast.

E30 325 Performance Cat-Back Exhaust System Introducing a bold advancement in E30 exhaust design. The Turner Motorsport E30 Exhaust for the 325 merges aggressive aesthetics with unmatched performance for a true transformation on the road. Equipped with a Helmholtz resonator, this exhaust is lightweight, compact, and precision-tuned to minimize drone. It delivers a powerful, resonant exhaust note without the intrusive hum.

Installation is quick and straightforward, thanks to factory-style flanges that align seamlessly with your existing converter. The angled, slash-cut tips add a stylish, performance-oriented edge while remaining period-correct for the E30. From an upgraded center mount to enhanced pipe diameters, every component is thoughtfully engineered to deliver peak performance and visual appeal.

Key Features: Optimized Flow: Dual 2.25" stainless steel pipes offer smooth airflow and increased efficiency. Refined Sound: A Helmholtz resonator reduces drone, delivering a rich, low-pitched exhaust tone. Effortless Installation: Designed with factory-matching flanges and hanger locations for a quick, hassle-free install. Aggressive Styling: Custom slash-cut exhaust tips give a nod to the E30’s legacy while adding a bold look. Specifications:

Material: Premium 304 stainless steel Weight: Lightweight 28.5 lbs Design: Integrated X-pipe and larger diameter tubing for an aggressive exhaust tone and improved exhaust flow Fitment: Retains factory emissions compliance and utilizes stock hanger points, with an added support hanger for enhanced stability. E30 Chassis Mount Skid Plate Kit Protect your E30 from unexpected hazards with the Turner Motorsport Chassis Mount Skid Plate Kit—a robust solution designed to defend your engine against potential damage from debris and rough roads. This skid plate isn’t just protection; it’s a chassis reinforcement system that doubles as a splash guard and provides added front subframe stiffness, improving overall vehicle rigidity.

Built to last, this skid plate features 1.5” diameter A36 steel supports that mount directly to the chassis rails and a tubular “halo” brace that surrounds and shields the oil pan. Whether you’re navigating city streets or taking your E30 to the track, this skid plate offers unparalleled protection and stability.

Key Features: Enhanced Protection: Shields engine components from road debris, minimizing the risk of oil pan damage. Improved Chassis Stiffness: Functions as a front subframe brace, reinforcing stability and rigidity. 24v Swap Compatible: Compatible with both standard and 24v-swapped E30s. Complete Kit: Includes all necessary hardware for an easy, secure installation. Specifications:

Material: 1/8" thick 5052 aluminum skid plate with tubular A36 steel supports Design: Precision laser-etched for optimized engine bay airflow, tubular brace for durable oil pan protection Fitment: Works with standard M20 engines (325i, IS, E, ES) and E30s with 24v swaps using the E34 525 M50 oil pan Upgrade your E30 with Turner’s high-performance cat-back exhaust and safeguard your engine with our durable skid plate, all in one unbeatable package. Crafted in the USA, each piece is built with the quality and precision Turner Motorsport is known for, making this a powerhouse combo that blends heritage, performance, and protection into one ultimate E30 enhancement.

Unleash the full potential of your E30! This limited-time Doorbuster combines our Performance Cat-Back Exhaust with our M20 Performance Intake Kit, delivering increased power, enhanced throttle response, and an aggressive exhaust note for a truly exhilarating driving experience.

E30 325 Performance Cat-Back Exhaust System

Our E30 Performance Cat-Back Exhaust is designed to improve flow, reduce weight, and deliver an iconic exhaust tone. Engineered with dual 2.25” mandrel-bent stainless steel tubing and an integrated X-pipe, this exhaust maximizes efficiency while providing a deep, aggressive sound that’s unmistakably BMW.

A Helmholtz resonator reduces unwanted drone around 2200 RPM, giving you a refined driving experience without sacrificing performance. With factory-style flanges, hanger locations, and a simple bolt-on design, installation is quick and hassle-free. Period-correct, angled slash-cut tips add style while signaling the performance lurking under your E30’s hood.

Key Features:

Dual 2.25” stainless steel mandrel-bent tubing for smoother flow Lightweight design (28.5 lbs) Integrated X-pipe for improved exhaust note and efficiency Deep, refined tone with increased volume Helmholtz resonator mitigates drone around 2200 RPM Retains factory emissions Uses factory hangers + included upgraded hanger Includes new ring gaskets (two different sizes) Durable 304 stainless steel Aggressive, engraved slash-cut tips Optimized pipe diameter and X-pipe for freer flow and louder, more engaging sound Offset flanges for perfect fitment to factory converters E30 M20 Performance Air Intake Kit

Turner’s M20 Performance Intake is designed to optimize airflow, improve throttle response, and support performance across the RPM range, all while maintaining a clean engine bay and stock sensor functionality.

The system retains the factory AFM elbow, mounts securely with a stainless steel bracket, and includes a powder-coated aluminum heatshield for heat protection and a polished look. A silicone inlet ensures durability and long-lasting performance. Early and late model E30s are both supported, with a built-in pass-through for late-model coolant overflow lines.

Key Features:

Compatible with all BMW E30 6-cylinder M20 engines

Retains stock AFM elbow and sensor function

Powder-coated aluminum heatshield for durability and heat protection

Silicone intake hose for long-lasting performance

Coolant overflow pass-through for late-model systems

Direct bolt-on installation, no permanent modifications required

Kit Contents:

Stainless steel AFM bracket

AFM inlet adapter and gasket

Silicone intake elbow

Turner blue cone filter

5052 powder-coated aluminum heatshield