If you’re upgrading a diesel exhaust system, these 8 inch diesel tips are designed to improve appearance, durability, and flow. The top picks below are best for pickup trucks and larger cars that use an 8 inch tailpipe outlet. Choose this when you want a bolt-on, corrosion-resistant tip with a rolled or angled edge for a sportier look and easier maintenance. The best fit depends on your inlet size, length needs, and desired angle cut.
Summary of selected products:
- Upower 5″x8″ x15″ — 5″ inlet, 8″ outlet, 15″ length
- Upower 4″x8″ x15″ — 4″ inlet, 8″ outlet, 15″ length
- Upower 5″x8″ x18″ — 5″ inlet, 8″ outlet, 18″ length
- LCGP Diesel Tip 4″x8″ x15″ — 4″ inlet, 8″ outlet, 15″ length
- JY PERFORMANCE 5″-8″ — 5″ inlet, 8″ outlet, 23″ length
Upower 5x8x15 Stainless Exhaust Tip
Brand: Upower
- 5″x8″x15″ Exhaust Tip: 5″ inlet, 8″ outlet, 15″ overall length
- Bolt-on, rolled edge, 70-degree single angle cut
- Stainless steel with mirror polish for durability and corrosion resistance
Best for: Diesel trucks needing a straightforward, bolt-on upgrade with a polished finish.
Limitation: Regular cleaning is recommended to maintain the mirror finish and prevent rusting over time.
Upower 4x8x15 Stainless Exhaust Tip
Brand: Upower
- 4″x8″x15″ Exhaust Tip: 4″ inlet, 8″ outlet, 15″ length
- Bolt-on, angled cut with rolled edge
- Stainless steel, mirror-polished for durability and corrosion resistance
Best for: Vehicles with a 4″ inlet and 8″ outlet where a longer 15″ tip is preferred for balance and appearance.
Caution: Ensure your tailpipe diameter matches the 4″ inlet for a proper fit.
Upower Diesel Exhaust Tip 5x8x18
Brand: Upower
- 5″x8″x18″ Exhaust Tip: 5″ inlet, 8″ outlet, 18″ length
- Bolt-on, rolled edge with angle cut
- Mirror-polished stainless steel for durability and corrosion resistance
Best for: Longer reach exhaust tips that maintain a clean look on diesel pickups or larger vehicles requiring extra length.
Limitation: Longer tips may extend beyond standard bumper clearance on some models.
LCGP 4x8x15 Black Bolt-On Diesel Tip
Brand: LCGP
- 4″x8″x15″ Exhaust Tip with 4″ inlet and 8″ outlet
- Stainless steel with black powder-coated finish
- Bolt-on with rolled edge and 15″ overall length
Best for: Vehicles requiring a black, low-profile look with corrosion resistance and simple bolt-on installation.
Caution: Verify tailpipe outer diameter matches the tip’s inlet to ensure a secure fit.
JY PERFORMANCE 5-8 Inch Exhaust Tip
Brand: JY PERFORMANCE
- 5 to 8 Inch Exhaust Tip: 5″ inlet, 8″ outlet, 23″ overall length
- Clamp-on design with 45-degree elbow and 4.5″ diesel exhaust elbow look
- Stainless steel with a durable black finish
Best for: Upgrading a diesel tailpipe with a longer elbow tip that fits most 5″ inlet systems; adds a sportier silhouette.
Caution: The 23″ overall length requires checking rear clearance on smaller trucks or cars.
Buying Guide
- Inlet vs. outlet size: Ensure your tailpipe matches the tip’s inlet diameter (commonly 4″ or 5″). An 8″ outlet creates a wider visible end but requires compatible piping.
- Length considerations: Longer tips (15″–18″) balance aesthetics on longer exhaust runs; shorter tips can suit tighter rear views.
- Finish and durability: Stainless steel with mirror polish or black powder coating resists rust and weathering; coated finishes reduce glare and show well in photos.
- Installation type: Bolt-on tips are easiest to install; clamp-on or elbow designs may require measurement of angle and clearance.
- Angle and cut style: Rolled edge, angled cut, or elbow tips influence flow and sound. Choose based on desired appearance and exhaust tone.
- Maintenance: Regular cleaning helps preserve the finish and prevent corrosion, especially for exposed tips in harsh climates.
FAQ
- Q: Do these tips fit every 8″ exhaust system? A: Most are designed for standard 4″ or 5″ inlets with an 8″ outlet; always verify your tailpipe diameter before purchasing.
- Q: Is clamp-on vs bolt-on better? A: Bolt-on offers a sturdier, permanent fit; clamp-on is easier for DIY installs without welding.
- Q: Will a longer tip affect performance? A: Generally no significant performance changes; some designs can subtly influence exhaust backpressure.
- Q: How do I maintain the finish? A: Regular cleaning and avoiding harsh abrasives help preserve shine and prevent rust.
- Q: Can I install these on diesel pickups and cars? A: Yes, most are marketed for diesel pickups and cars with compatible inlet/outlet sizes.