Pacemaker Twin 2.5" Performance Exhaust System with 1-7/8" Headers for Holden WM WN Statesman Caprice 6.0L 6.2L V8 2006–2017 - PP5382-06

Pacemaker Full Twin 2.5" Performance Exhaust System with 1 7/8" 4-into-1 Competition Headers & Hi-Flow Cats for Holden WM & WN Statesman / Caprice (6.0L & 6.2L V8) - PP5382-06

Unleash maximum top-end horsepower, optimize high-RPM cylinder gas velocity, and deliver an aggressive, deep Australian V8 muscle note from your small-block engine with the Pacemaker Sport Systems complete twin 2.5-inch performance exhaust solution featuring 1 7/8" 4-into-1 competition extractors. Specifically engineered to satisfy the high-volume gas clearance demands, intense thermal loads, and extraction thresholds of the heavy-hitting Holden 6.0L (L98/L76/L77) and 6.2L (LS3) Gen IV V8 powerplants, this large-primary configuration is optimized for modified, cammed, or high-revving setups. This premium full system is precision-molded to trace the extended floor pan lines, clear stretched long-wheelbase chassis channels, and map perfectly around the multi-link rear suspension geometry of the flagship WM and WN series luxury sedan platforms. By upgrading your stock layout to high-flow competition 4-into-1 headers paired with smooth, mandrel-bent twin 2.5" plumbing and 3" high-flow metallic catalytic converters, it maximizes gas velocity tracking to completely eliminate power-robbing backpressure under heavy acceleration. As Australia’s premium exhaust innovator, Pacemaker integrates elite structural engineering with patented V-Tex technology and signature double-skinned mufflers, producing an authoritative performance roar on throttle while actively engineering out harsh interior cabin boom or executive cabin drone to preserve a completely refined highway cruising experience. Note: Fits Holden WM and WN Statesman / Caprice models (August 2006 to October 2017) equipped with Gen IV 6.0L or 6.2L V8 engine configurations; engineered exclusively to suit long-wheelbase (LWB) luxury platforms and will not fit short-wheelbase Sedan, Sportwagon, or Ute variants without alteration.

Features:

Precision-manufactured in Australia to deliver a high-velocity flow upgrade, maximum structural longevity under intense heat, and a refined performance acoustic profile for the premium long-wheelbase luxury sedan platform.

• Complete Competition Kit: Comprehensive track-and-street performance solution incorporating high-flow 1 7/8" 4-into-1 headers, 3" metallic high-flow catalytic converters, and a full matching twin 2.5-inch performance intermediate-to-rear exhaust layout.
• 4-into-1 Design Architecture: Race-proven competition extractor layout featuring large-bore 1 7/8" primaries running into a merged collector to optimize top-end gas scavenging and unlock significant high-RPM power gains.
• Long-Wheelbase Specific Geometry: Custom-extended plumbing mapping configured to line up flawlessly with the longer chassis dimensions and specific hanger points of Holden luxury flagships.
• Premium Materials: Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior structural longevity and resistance to thermal fatigue under extreme loads.
• Mandrel Bent Tubing: Rigid twin 2.5" (63.5mm) pipe structure guarantees a smooth, uniform internal diameter through all bends to eliminate gas turbulence and prevent restriction.
• V-Tex Technology: Advanced internal patented anti-drone configuration filters out harsh, low-frequency cabin resonance typical of sports layouts without creating any power-robbing flow restrictions.
• Signature Mufflers: Heavy-duty double-skinned 409 Stainless Steel mufflers offer premium outer case reinforcement, preventing case distortion and internal packing blowout under heavy thermal load constraints.
• Direct Bolt-On Layout: Engineered as a comprehensive, vehicle-specific full bolt-up kit that mounts directly onto existing factory rubber hanger positions—no custom fabrication required.

Important Fitment Notes:

• Specifically engineered to fit Holden WM and WN Statesman / Caprice luxury models powered by Gen IV 6.0L or 6.2L V8 engine configurations built from August 2006 to October 2017 (Series I and Series II variants).
• Long-Wheelbase Layout Constraints: Statesman and Caprice models feature a stretched floor pan extension compared to standard sedans. This kit features specific piping extension segments and modified routing geometries tailored explicitly to mount cleanly without modification over luxury-spec subframes. It will not align properly with standard short-wheelbase VE/VF Sedan, Sportwagon, or Ute variants.
• The large-diameter 1 7/8" 4-into-1 competition header primary pipes are custom-formed for maximum volumetric gas clearance at higher engine revs, making this kit highly ideal for modified, performance-tuned, or supercharged engine applications.
• Direct bolt-on design maps seamlessly onto vehicle-specific factory rubber hanger positions. No custom fabrication or welding mapping required.
• Professional automotive performance technician installation is highly recommended to guarantee ideal ground clearance across extended luxury floors, ensure tight steering column tolerances, and secure gas-tight seals under the floor pan.

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