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Holden Caprice / HSV Grange WM / WN Sedan Twin 3" Stainless Engine-back Exhaust System
(1/5) PRODUCTION UPDATE: THESE SYSTEMS ARE A PRE-ORDER FOR DISPATCH IN THE WEEK STARTING 25/5
THESE SYSTEMS SHIP OR CAN BE COLLECTED FROM OUR AUCKLAND (DRURY) LOCATION!!
NO IMPORT TAXES / DUTIES!!
Holden Statesman/Caprice and HSV Grange (WM & WN) Full Engine Back Exhaust
Replace the restrictive factory exhaust system with this brand new premium Empire Performance TWIN 3" stainless steel unit with large-primary extractors and high flow cats (optional).
1&3/4" primaries are perfect for high performance and cammed engines.
Supercharaged applications should opt for the 1&7/8" primary option.
Designed for the Holden Caprice / HSV Grange, this stainless steel system unleashes the performance and sound that they should have had from the factory!
These are high flowing and tested on our own Empire Performance cars making in excess of 630whp with a Magnuson 2300 supercharger.
These are one of the best sounding performance exhausts available today. No drone when cruising, but put your foot down and unleash the beast!
Cat Back Specifications:
- TWIN 3" Piping
- Rolled 3.5" quad-tip design
- Free-flowing mufflers and NO MIDDLE MUFFLER so you can actually hear your car!
- 2 bolt connecting flanges for bolt-on installation
- Large X-Pipe to reduce drone and provide a smooth rumble
- 2x in-line Hotdog Resonators to reduce drone
- 304 Grade stainless steel piping
- TIG welded
- Mandrel Bent
- Gaskets and bolts included
Header Specifications:
- 1 3/4" primaries (optional 1&7/8" available)
- 3" (76mm) outlets
- Corrosion resistant stainless steel primaries, stainless steel components and rust resistant steel flanges
- High Flow Cats Optional
- 4 into 1 design
- Tuned length
- Mandrel bent
- TIG Welded
- Direct bolt on
- Gaskets and bolts included
- O2 sensor bungs included
- Specifically designed for increased engine performance.
These are a proven design producing fantastic gains on Holden Caprice / HSV Grange.
Postage available Australia wide.
Please note:
- These systems are a direct bolt-on, designed for DIY or professional installation.
- Note - if you require the system for road use the high flow cat is required for road legality.
- LS3 AUTO CARS HAVE LARGER TRANSMISSION LINES THAT RUN OVER THE ENGINE MOUNTS, THESE MUST BE RE-ROUTED DURING INSTALLATION (ONLY LS3 AUTO) USING AN AEROFLOW AF64-2118 -6AN ADAPTER.
- 'Motorsport Editions' - These cars have a large LSA-style oil cooler which will not fit with our headers. If you have a Motorsport edition we recommend using our full LSA system instead.
SHIPPING POLICY:
Due to this item exceeding the couriers manual handling limits we will deliver it to your closest depot unless a COMMERCIAL ADDRESS WITH A FORKIFT is provided on checkout. We can provide door to door delivery options for an extra fee, Please contact our sales team on 08 6317 9121 or sales@empireperformance.com.au within 24hrs of the order being placed if you would like us to quote this option for you.
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
Product Enquiry
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