Exhaust · Buyer's Guide
Axle-Back Exhaust
An axle-back only replaces the mufflers and tips at the very rear of the car — the simplest and cheapest exhaust upgrade. It mainly changes the sound character with minimal power gains. Perfect as a first mod if you want a better exhaust note without a big investment.
Recommended Picks
A starting point for your build, sorted by budget.
Best ValueMost affordable in this categoryMid-Range PickBalanced price and performancePremium PickTop-tier brand and performance
MagnaFlow Exhaust Products
Performance Exhaust System 19218
$1
Magnaflow
Race Series Axle-Back Exhaust System with Polished Tips
$943
American Roar
Super Racing Series GTC Axle-Back Exhaust with Quad Polished Tips
$2,848.1
All Axle-Back Exhaust (11)
View as grid- MagnaFlow Exhaust Products Performance Exhaust System 19218$1
Flowmaster Axle-Back Exhaust with Black Tips+5 HP$649.99- Borla S-Type Axle-Back Exhaust+5 HP$799.99
- Magnaflow Race Series Axle-Back Exhaust System with Polished Tips$929
- Magnaflow Axle-Back Exhaust$929
- Magnaflow Race Series Axle-Back Exhaust System with Polished Tips$943
- Magnaflow Race Series Axle-Back Exhaust System with Polished Tips$943
- MagnaFlow Race Series Axle-Back Performance Exhaust System$943
- Corsa Performance Sport Axle-Back Exhaust with Polished Rectangular Tips$1,563.99
- American Roar Racing Series GTS Axle-Back Exhaust with Quad Polished Tips$2,373.1
- American Roar Super Racing Series GTC Axle-Back Exhaust with Quad Polished Tips$2,848.1
2. EXHAUST SYSTEMS
System Types — Explained
| Type | What It Replaces | HP Gain | Cost Range | Best For |
|---|---|---|---|---|
| Axle-Back | Mufflers + tips only (behind rear axle) | 1–5 HP | $300–$800 | Sound, budget buyers |
| Cat-Back | Catalytic converter to tips (includes muffler, mid-section) | 5–15 HP | $700–$2,000 | Best value performance+sound |
| Headers | Exhaust manifolds at engine (upstream of cats) | 15–40 HP | $600–$1,500 | Power-focused builds |
| Full Header-Back | Headers + mid-pipe + cat-back — entire system | 40–70 HP (w/tune) | $2,500–$5,000+ | Max power builds |
Shorty vs. Long Tube Headers
- Shorty headers (BBK, Flowmaster): Drop-in replacement for stock manifolds. Compatible with factory mid-pipe. +10–20 HP. Great street manners, pass smog in most states.
- Long tube headers (American Racing Headers, Stainless Works): Require matching aftermarket mid-pipe — will NOT bolt to factory mid-pipe. +25–40 HP (up to +50 HP with tune). Significantly louder, may not pass emissions. Best for serious power builds.
Key Brands
- Borla: ATAK (loudest), S-Type (moderate), Touring (subtle). Premium quality, lifetime warranty.
- Corsa Performance: Patented reflective sound technology — sounds aggressive under throttle, quiet at cruise.
- AWE Tuning: Touring and Track editions. Known for quality fit and finish.
- Flowmaster: American Thunder line. Iconic American muscle sound. Budget-friendly.
- MagnaFlow: Clean, deep tone. Good value.
- American Racing Headers (ARH): Long tube specialist for HEMI platform.
- BBK Performance: Strong shorty header option, powder-coated or ceramic.
Sound Character Guide
| Brand/Line | Sound Level | Character |
|---|---|---|
| Borla ATAK | Aggressive | Loud, raspy, race-bred |
| Corsa Xtreme | Moderate-Aggressive | Tech-tuned, resonance-free |
| Flowmaster Outlaw | Aggressive | Classic American muscle rumble |
| AWE Track | Aggressive | European sport tone |
| Borla Touring | Subtle | Refined, barely louder than stock |
| AWE Touring | Subtle | Daily-driver friendly |
| MagnaFlow Street | Moderate | Deep, throaty |
Critical Compatibility Rules
- Long tube headers CANNOT use factory mid-pipe — always sold as a set.
- Shorty headers work with factory OR aftermarket mid-pipes.
- Catless mid-pipes give max flow but fail emissions — "off-road use only."
- High-flow catted mid-pipes balance flow and street legality.
Site UX Recommendations
- Sound clips are essential — exhaust is #1 bought for sound.
- Sound Level rating badge (Quiet / Moderate / Aggressive / Extreme).
- Headers must show "Compatible Mid-Pipe Required" warning for long tubes.
- "Emissions Note" badge on catless components.