The OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt clamps for superior temperature resistance and boost pressure holding capabilities. 3.5 in. Passenger Side pipe features a CNC machined flange with a double o-ring seal and an upgraded silicone boot in order to withstand higher boost pressures than the factory components to increase reliability and eliminate blown factory boots and horsepower robbing boost leaks. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. On the exhaust side our 3.5 in Down Pipe replace the restrictive crushed factory part for improved flow. Black Ceramic Coated and heat wrapped for improved thermal efficiency. Connects to the DOC (Diesel Oxidation Catalyst) outlet flange and mates with OEM exhaust system front pipe with the 4 bolt style flange connection and includes bungs for OEM sensors.
Wehrli Custom Fab High Flow Bundle Kit Stage 3, for 2020-2025 Duramax L5P, Gloss White
OEM Clip Ring Design at Y-bridge connection replaced by high quality silicone boot and stainless steel t-bolt clamps for improved sealing and ability to hold higher boost pressures without leaking
4 in. Aluminum intake pipe with Air box enclosure, dry filter assembly and Outerwears pre-filter cover, 4 in. Intake horn with PCV port and Surge Ring
CNC Machined Flange with Double O-Rings provides an improved sealing surface to eliminate boost leaks.
3 in. Hot Side Intercooler Pipe & 3.5 in. Cold Side Intercooler Pipe
3.5 in. Ceramic Coated Down Pipe with Heat Wrap pre-installed
Retains factory connection points and sensors
NO Tuning required, bolt on!
Custom Powder Coat Finish
Made In the USA
Wehrli 20-24 Duramax L5P Stage 3 High Flow Bundle Kit - Gloss White
$1,828.45
Any questions?
Address frequently asked questions about this product to minimize any concerns or uncertainties that might deter a customer from making a purchase.
Does it come with a warranty?
Any products listed will have a warranty provided by the manufacturer only. Stealth Diesel is not liable for any warranty. We can assist in warranty claims but we do not provide warranty on items we dont manufacturer. Most products have a 1 year warranty. For more information on warranty, reach out to us or the manufacturer for specific warranty details.
What happens if I have an issue?
We recommend reaching out directly to the manufacturer, but we are availble to assist with any issues or concerns for troubleshooting.
How fast is shipping?
Free ground shipping will be UPS ground, typically 5-7 business days or sooner. Expidited shipping is available on in stock products only.
What's the returns policy?
Most items are returnable unopened within 30 days of purchase. A stocking fee of 20% will be deducted for all returns. Items that are non-refundable are special order, custom made, powder coated, electrical or oversize items. Return shipping is at the expense of the buyer.
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